28856064 has 36 divisors (see below), whose sum is σ = 76801256. Its totient is φ = 9618432.

The previous prime is 28856063. The next prime is 28856077. The reversal of 28856064 is 46065882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28856063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18019 + ... + 19554.

Almost surely, 2^28856064 is an apocalyptic number.

28856064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28856064 is an abundant number, since it is smaller than the sum of its proper divisors (47945192).

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

28856064 is an equidigital number, since it uses as much as digits as its factorization.

28856064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37592 (or 37578 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 28856064 is about 5371.7840611849. The cubic root of 28856064 is about 306.7225439034.

The spelling of 28856064 in words is "twenty-eight million, eight hundred fifty-six thousand, sixty-four".