28936772 has 24 divisors (see below), whose sum is σ = 54445440. Its totient is φ = 13413600.

The previous prime is 28936763. The next prime is 28936777. The reversal of 28936772 is 27763982.

It is not an unprimeable number, because it can be changed into a prime (28936777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (2268560).

Almost surely, 2^28936772 is an apocalyptic number.

It is an amenable number.

28936772 is a deficient number, since it is larger than the sum of its proper divisors (25508668).

28936772 is a wasteful number, since it uses less digits than its factorization.

28936772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171 (or 8169 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 28936772 is about 5379.2910313535. The cubic root of 28936772 is about 307.0082368248.

The spelling of 28936772 in words is "twenty-eight million, nine hundred thirty-six thousand, seven hundred seventy-two".