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9898741 = 25313911

9898741 has 4 divisors (see below), whose sum is σ = 9905184. Its totient is φ = 9892300.

The previous prime is 9898723. The next prime is 9898769. The reversal of 9898741 is 1478989.

It can be divided in two parts, 989 and 8741, that added together give a triangular number (9730 = T139).

It is a happy number.

9898741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1478989 = 4673167.

It is a cyclic number.

It is not a de Polignac number, because 9898741 - 27 = 9898613 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9898741 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9898691 and 9898700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (2476296).

Almost surely, 29898741 is an apocalyptic number.

It is an amenable number.

9898741 is a deficient number, since it is larger than the sum of its proper divisors (6443).

9898741 is a wasteful number, since it uses less digits than its factorization.

9898741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442.

The product of its digits is 145152, while the sum is 46.

The square root of 9898741 is about 3146.2264699160. The cubic root of 9898741 is about 214.7138142887.

The spelling of 9898741 in words is "nine million, eight hundred ninety-eight thousand, seven hundred forty-one".

Divisors: 1 2531 3911 9898741