90872304 has 20 divisors (see below), whose sum is σ = 234753576. Its totient is φ = 30290752.

The previous prime is 90872303. The next prime is 90872321. The reversal of 90872304 is 40327809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90872303) 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, 946539 + ... + 946634.

Almost surely, 2^90872304 is an apocalyptic number.

It is an amenable number.

90872304 is an abundant number, since it is smaller than the sum of its proper divisors (143881272).

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

90872304 is a wasteful number, since it uses less digits than its factorization.

90872304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893184 (or 1893178 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 90872304 is about 9532.6965754712. The cubic root of 90872304 is about 449.5836544169.

The spelling of 90872304 in words is "ninety million, eight hundred seventy-two thousand, three hundred four".