28526472 has 64 divisors (see below), whose sum is σ = 85344000. Its totient is φ = 8776512.

The previous prime is 28526461. The next prime is 28526483. The reversal of 28526472 is 27462582.

28526472 is a `hidden beast` number, since 2 + 8 + 5 + 2 + 647 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (28526461) and next prime (28526483).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (1333500).

Almost surely, 2^28526472 is an apocalyptic number.

It is an amenable number.

28526472 is an abundant number, since it is smaller than the sum of its proper divisors (56817528).

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

28526472 is a wasteful number, since it uses less digits than its factorization.

28526472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187 (or 10177 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 28526472 is about 5341.0178805168. The cubic root of 28526472 is about 305.5502813317.

The spelling of 28526472 in words is "twenty-eight million, five hundred twenty-six thousand, four hundred seventy-two".