28566352 has 20 divisors (see below), whose sum is σ = 55683936. Its totient is φ = 14196320.

The previous prime is 28566347. The next prime is 28566371. The reversal of 28566352 is 25366582.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 2674 + ... + 8017.

Almost surely, 2^28566352 is an apocalyptic number.

It is an amenable number.

28566352 is a deficient number, since it is larger than the sum of its proper divisors (27117584).

28566352 is a wasteful number, since it uses less digits than its factorization.

28566352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866 (or 10860 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 28566352 is about 5344.7499473783. The cubic root of 28566352 is about 305.6926014342.

The spelling of 28566352 in words is "twenty-eight million, five hundred sixty-six thousand, three hundred fifty-two".