9898458 has 8 divisors (see below), whose sum is σ = 19796928. Its totient is φ = 3299484.

The previous prime is 9898457. The next prime is 9898481. The reversal of 9898458 is 8548989.

9898458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

9898458 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 9898458.

It is not an unprimeable number, because it can be changed into a prime (9898451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824866 + ... + 824877.

It is an arithmetic number, because the mean of its divisors is an integer number (2474616).

Almost surely, 2^9898458 is an apocalyptic number.

9898458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9898458 is a wasteful number, since it uses less digits than its factorization.

9898458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649748.

The product of its digits is 829440, while the sum is 51.

The square root of 9898458 is about 3146.1814950826. The cubic root of 9898458 is about 214.7117680827.

The spelling of 9898458 in words is "nine million, eight hundred ninety-eight thousand, four hundred fifty-eight".