28900524 has 24 divisors (see below), whose sum is σ = 67691008. Its totient is φ = 9596880.

The previous prime is 28900523. The next prime is 28900537. The reversal of 28900524 is 42500982.

It is a junction number, because it is equal to n+sod(n) for n = 28900491 and 28900500.

It is not an unprimeable number, because it can be changed into a prime (28900523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 7695.

Almost surely, 2^28900524 is an apocalyptic number.

It is an amenable number.

28900524 is an abundant number, since it is smaller than the sum of its proper divisors (38790484).

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

28900524 is a wasteful number, since it uses less digits than its factorization.

28900524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165 (or 9163 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28900524 is about 5375.9207583446. The cubic root of 28900524 is about 306.8799907241.

The spelling of 28900524 in words is "twenty-eight million, nine hundred thousand, five hundred twenty-four".