28956164 has 6 divisors (see below), whose sum is σ = 50673294. Its totient is φ = 14478080.

The previous prime is 28956131. The next prime is 28956167. The reversal of 28956164 is 46165982.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 3534400 = 5042^2 + 1880^2 .

It is not an unprimeable number, because it can be changed into a prime (28956167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619517 + ... + 3619524.

It is an arithmetic number, because the mean of its divisors is an integer number (8445549).

Almost surely, 2^28956164 is an apocalyptic number.

It is an amenable number.

28956164 is a deficient number, since it is larger than the sum of its proper divisors (21717130).

28956164 is a wasteful number, since it uses less digits than its factorization.

28956164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239045 (or 7239043 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 28956164 is about 5381.0931974832. The cubic root of 28956164 is about 307.0768021127.

The spelling of 28956164 in words is "twenty-eight million, nine hundred fifty-six thousand, one hundred sixty-four".