90709304 has 32 divisors (see below), whose sum is σ = 194832000. Its totient is φ = 38784480.

The previous prime is 90709291. The next prime is 90709313. The reversal of 90709304 is 40390709.

It is a happy number.

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, 25847 + ... + 29145.

It is an arithmetic number, because the mean of its divisors is an integer number (6088500).

Almost surely, 2^90709304 is an apocalyptic number.

It is an amenable number.

90709304 is an abundant number, since it is smaller than the sum of its proper divisors (104122696).

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

90709304 is a wasteful number, since it uses less digits than its factorization.

90709304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803 (or 3799 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 90709304 is about 9524.1432160589. The cubic root of 90709304 is about 449.3146835931.

The spelling of 90709304 in words is "ninety million, seven hundred nine thousand, three hundred four".