9902475 has 36 divisors (see below), whose sum is σ = 19353672. Its totient is φ = 4800000.

The previous prime is 9902471. The next prime is 9902491. The reversal of 9902475 is 5742099.

9902475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9902475 - 2² = 9902471 is a prime.

It is a super-2 number, since 2×9902475² = 196118022251250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9902471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 475 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (537602).

Almost surely, 2^9902475 is an apocalyptic number.

9902475 is a deficient number, since it is larger than the sum of its proper divisors (9451197).

9902475 is a wasteful number, since it uses less digits than its factorization.

9902475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 9902475 is about 3146.8198232501. The cubic root of 9902475 is about 214.7408089874.

It can be divided in two parts, 99024 and 75, that added together give a palindrome (99099).

The spelling of 9902475 in words is "nine million, nine hundred two thousand, four hundred seventy-five".