28626504 has 32 divisors (see below), whose sum is σ = 75777120. Its totient is φ = 8980736.

The previous prime is 28626503. The next prime is 28626511. The reversal of 28626504 is 40562682.

It is not an unprimeable number, because it can be changed into a prime (28626503) 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, 34674 + ... + 35489.

It is an arithmetic number, because the mean of its divisors is an integer number (2368035).

Almost surely, 2^28626504 is an apocalyptic number.

28626504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28626504 is an abundant number, since it is smaller than the sum of its proper divisors (47150616).

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

28626504 is a wasteful number, since it uses less digits than its factorization.

28626504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70189 (or 70185 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 28626504 is about 5350.3741925215. The cubic root of 28626504 is about 305.9070160471.

The spelling of 28626504 in words is "twenty-eight million, six hundred twenty-six thousand, five hundred four".