28965356 has 12 divisors (see below), whose sum is σ = 57930768. Its totient is φ = 12413712.

The previous prime is 28965337. The next prime is 28965361. The reversal of 28965356 is 65356982.

It is a happy number.

28965356 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517211 + ... + 517266.

It is an arithmetic number, because the mean of its divisors is an integer number (4827564).

Almost surely, 2^28965356 is an apocalyptic number.

It is an amenable number.

28965356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28965356 is a wasteful number, since it uses less digits than its factorization.

28965356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034488 (or 1034486 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 28965356 is about 5381.9472312538. The cubic root of 28965356 is about 307.1092920440.

The spelling of 28965356 in words is "twenty-eight million, nine hundred sixty-five thousand, three hundred fifty-six".