28630604 has 12 divisors (see below), whose sum is σ = 51269064. Its totient is φ = 13982304.

The previous prime is 28630597. The next prime is 28630619. The reversal of 28630604 is 40603682.

It is a super-2 number, since 2×28630604² = 1639422970809632, which contains 22 as substring.

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, 83057 + ... + 83400.

It is an arithmetic number, because the mean of its divisors is an integer number (4272422).

Almost surely, 2^28630604 is an apocalyptic number.

It is an amenable number.

28630604 is a deficient number, since it is larger than the sum of its proper divisors (22638460).

28630604 is a wasteful number, since it uses less digits than its factorization.

28630604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166504 (or 166502 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 28630604 is about 5350.7573295749. The cubic root of 28630604 is about 305.9216197502.

The spelling of 28630604 in words is "twenty-eight million, six hundred thirty thousand, six hundred four".