9899441 has 8 divisors (see below), whose sum is σ = 10046400. Its totient is φ = 9753840.

The previous prime is 9899431. The next prime is 9899443. The reversal of 9899441 is 1449989.

9899441 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.

It is a cyclic number.

It is not a de Polignac number, because 9899441 - 2⁶ = 9899377 is a prime.

It is a super-2 number, since 2×9899441² = 195997864224962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9899392 and 9899401.

It is not an unprimeable number, because it can be changed into a prime (9899443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31676 + ... + 31986.

It is an arithmetic number, because the mean of its divisors is an integer number (1255800).

Almost surely, 2^9899441 is an apocalyptic number.

It is an amenable number.

9899441 is a deficient number, since it is larger than the sum of its proper divisors (146959).

9899441 is a wasteful number, since it uses less digits than its factorization.

9899441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its digits is 93312, while the sum is 44.

The square root of 9899441 is about 3146.3377123252. The cubic root of 9899441 is about 214.7188754080.

The spelling of 9899441 in words is "nine million, eight hundred ninety-nine thousand, four hundred forty-one".