28957796 has 12 divisors (see below), whose sum is σ = 57915648. Its totient is φ = 12410472.

The previous prime is 28957777. The next prime is 28957801. The reversal of 28957796 is 69775982.

28957796 is an admirable 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, 517076 + ... + 517131.

It is an arithmetic number, because the mean of its divisors is an integer number (4826304).

Almost surely, 2^28957796 is an apocalyptic number.

It is an amenable number.

28957796 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.

28957796 is a wasteful number, since it uses less digits than its factorization.

28957796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034218 (or 1034216 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 28957796 is about 5381.2448373959. The cubic root of 28957796 is about 307.0825710620.

It can be divided in two parts, 289 and 57796, that added together give a palindrome (58085).

The spelling of 28957796 in words is "twenty-eight million, nine hundred fifty-seven thousand, seven hundred ninety-six".