28702956 has 24 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 9555280.

The previous prime is 28702937. The next prime is 28702967. The reversal of 28702956 is 65920782.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17341 + ... + 18923.

It is an arithmetic number, because the mean of its divisors is an integer number (2794176).

Almost surely, 2^28702956 is an apocalyptic number.

It is an amenable number.

28702956 is an abundant number, since it is smaller than the sum of its proper divisors (38357268).

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

28702956 is a wasteful number, since it uses less digits than its factorization.

28702956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 28702956 is about 5357.5139757167. The cubic root of 28702956 is about 306.1790997331.

The spelling of 28702956 in words is "twenty-eight million, seven hundred two thousand, nine hundred fifty-six".