28520696 has 32 divisors (see below), whose sum is σ = 57950640. Its totient is φ = 13106688.

The previous prime is 28520689. The next prime is 28520711. The reversal of 28520696 is 69602582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410 + ... + 8286.

Almost surely, 2^28520696 is an apocalyptic number.

It is an amenable number.

28520696 is an abundant number, since it is smaller than the sum of its proper divisors (29429944).

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

28520696 is a wasteful number, since it uses less digits than its factorization.

28520696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4939 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 28520696 is about 5340.4771322420. The cubic root of 28520696 is about 305.5296574757.

The spelling of 28520696 in words is "twenty-eight million, five hundred twenty thousand, six hundred ninety-six".