99897304 has 32 divisors (see below), whose sum is σ = 213585120. Its totient is φ = 43393536.

The previous prime is 99897289. The next prime is 99897313. The reversal of 99897304 is 40379899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26484 + ... + 30019.

It is an arithmetic number, because the mean of its divisors is an integer number (6674535).

Almost surely, 2^99897304 is an apocalyptic number.

It is an amenable number.

99897304 is an abundant number, since it is smaller than the sum of its proper divisors (113687816).

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

99897304 is a wasteful number, since it uses less digits than its factorization.

99897304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56539 (or 56535 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 99897304 is about 9994.8638810141. The cubic root of 99897304 is about 463.9999380697. Note that the first 4 decimals are identical.

The spelling of 99897304 in words is "ninety-nine million, eight hundred ninety-seven thousand, three hundred four".