28518064 has 10 divisors (see below), whose sum is σ = 55253780. Its totient is φ = 14259024.

The previous prime is 28518043. The next prime is 28518071. The reversal of 28518064 is 46081582.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891174 + ... + 891205.

It is an arithmetic number, because the mean of its divisors is an integer number (5525378).

Almost surely, 2^28518064 is an apocalyptic number.

It is an amenable number.

28518064 is a deficient number, since it is larger than the sum of its proper divisors (26735716).

28518064 is a wasteful number, since it uses less digits than its factorization.

28518064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782387 (or 1782381 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 28518064 is about 5340.2307066268. The cubic root of 28518064 is about 305.5202587009.

The spelling of 28518064 in words is "twenty-eight million, five hundred eighteen thousand, sixty-four".