28626956 has 24 divisors (see below), whose sum is σ = 51179520. Its totient is φ = 14007312.

The previous prime is 28626953. The next prime is 28626967. The reversal of 28626956 is 65962682.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28626953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59525 + ... + 60003.

It is an arithmetic number, because the mean of its divisors is an integer number (2132480).

Almost surely, 2^28626956 is an apocalyptic number.

It is an amenable number.

28626956 is a deficient number, since it is larger than the sum of its proper divisors (22552564).

28626956 is a wasteful number, since it uses less digits than its factorization.

28626956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 771 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 28626956 is about 5350.4164323910. The cubic root of 28626956 is about 305.9086260847.

The spelling of 28626956 in words is "twenty-eight million, six hundred twenty-six thousand, nine hundred fifty-six".