28932956 has 12 divisors (see below), whose sum is σ = 54527592. Its totient is φ = 13353648.

The previous prime is 28932947. The next prime is 28932961. The reversal of 28932956 is 65923982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278150 + ... + 278253.

It is an arithmetic number, because the mean of its divisors is an integer number (4543966).

Almost surely, 2^28932956 is an apocalyptic number.

28932956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28932956 is a deficient number, since it is larger than the sum of its proper divisors (25594636).

28932956 is a wasteful number, since it uses less digits than its factorization.

28932956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556420 (or 556418 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 28932956 is about 5378.9363260779. The cubic root of 28932956 is about 306.9947407913.

The spelling of 28932956 in words is "twenty-eight million, nine hundred thirty-two thousand, nine hundred fifty-six".