28548504 has 32 divisors (see below), whose sum is σ = 79302000. Its totient is φ = 9516096.

The previous prime is 28548479. The next prime is 28548521. The reversal of 28548504 is 40584582.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65869 + ... + 66300.

Almost surely, 2^28548504 is an apocalyptic number.

28548504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28548504 is an abundant number, since it is smaller than the sum of its proper divisors (50753496).

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

28548504 is a wasteful number, since it uses less digits than its factorization.

28548504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132184 (or 132174 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 28548504 is about 5343.0800106306. The cubic root of 28548504 is about 305.6289235072.

The spelling of 28548504 in words is "twenty-eight million, five hundred forty-eight thousand, five hundred four".