28608956 has 6 divisors (see below), whose sum is σ = 50065680. Its totient is φ = 14304476.

The previous prime is 28608949. The next prime is 28608967. The reversal of 28608956 is 65980682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3576116 + ... + 3576123.

It is an arithmetic number, because the mean of its divisors is an integer number (8344280).

Almost surely, 2^28608956 is an apocalyptic number.

It is an amenable number.

28608956 is a deficient number, since it is larger than the sum of its proper divisors (21456724).

28608956 is a wasteful number, since it uses less digits than its factorization.

28608956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152243 (or 7152241 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 28608956 is about 5348.7340558304. The cubic root of 28608956 is about 305.8444964375.

The spelling of 28608956 in words is "twenty-eight million, six hundred eight thousand, nine hundred fifty-six".