99398625 has 32 divisors (see below), whose sum is σ = 167711232. Its totient is φ = 52272000.

The previous prime is 99398623. The next prime is 99398627. The reversal of 99398625 is 52689399.

It is an interprime number because it is at equal distance from previous prime (99398623) and next prime (99398627).

It is not a de Polignac number, because 99398625 - 2¹ = 99398623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99398623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25560 + ... + 29190.

It is an arithmetic number, because the mean of its divisors is an integer number (5240976).

Almost surely, 2^99398625 is an apocalyptic number.

It is an amenable number.

99398625 is a deficient number, since it is larger than the sum of its proper divisors (68312607).

99398625 is a wasteful number, since it uses less digits than its factorization.

99398625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3712 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 99398625 is about 9969.8859070704. The cubic root of 99398625 is about 463.2265667883.

The spelling of 99398625 in words is "ninety-nine million, three hundred ninety-eight thousand, six hundred twenty-five".