90210604 has 12 divisors (see below), whose sum is σ = 172220328. Its totient is φ = 41004800.

The previous prime is 90210569. The next prime is 90210649. The reversal of 90210604 is 40601209.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025077 + ... + 1025164.

It is an arithmetic number, because the mean of its divisors is an integer number (14351694).

Almost surely, 2^90210604 is an apocalyptic number.

It is an amenable number.

90210604 is a deficient number, since it is larger than the sum of its proper divisors (82009724).

90210604 is a wasteful number, since it uses less digits than its factorization.

90210604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050256 (or 2050254 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 90210604 is about 9497.9262999878. The cubic root of 90210604 is about 448.4897585600.

The spelling of 90210604 in words is "ninety million, two hundred ten thousand, six hundred four".