28536392 has 16 divisors (see below), whose sum is σ = 53928960. Its totient is φ = 14155344.

The previous prime is 28536383. The next prime is 28536407. The reversal of 28536392 is 29363582.

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, 13028 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (3370560).

Almost surely, 2^28536392 is an apocalyptic number.

It is an amenable number.

28536392 is a deficient number, since it is larger than the sum of its proper divisors (25392568).

28536392 is a wasteful number, since it uses less digits than its factorization.

28536392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28220 (or 28216 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 28536392 is about 5341.9464617310. The cubic root of 28536392 is about 305.5856953092.

The spelling of 28536392 in words is "twenty-eight million, five hundred thirty-six thousand, three hundred ninety-two".