99215304 has 16 divisors (see below), whose sum is σ = 248038320. Its totient is φ = 33071760.

The previous prime is 99215297. The next prime is 99215309. The reversal of 99215304 is 40351299.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99215309) 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, 2066962 + ... + 2067009.

It is an arithmetic number, because the mean of its divisors is an integer number (15502395).

Almost surely, 2^99215304 is an apocalyptic number.

It is an amenable number.

99215304 is an abundant number, since it is smaller than the sum of its proper divisors (148823016).

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

99215304 is a wasteful number, since it uses less digits than its factorization.

99215304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133980 (or 4133976 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 99215304 is about 9960.6879280499. The cubic root of 99215304 is about 462.9416151051.

It can be divided in two parts, 9921 and 5304, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 99215304 in words is "ninety-nine million, two hundred fifteen thousand, three hundred four".