28576260 has 48 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 7620192.

The previous prime is 28576241. The next prime is 28576267. The reversal of 28576260 is 6267582.

28576260 is a `hidden beast` number, since 28 + 5 + 7 + 626 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (28576267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25920 + ... + 26999.

It is an arithmetic number, because the mean of its divisors is an integer number (1852200).

Almost surely, 2^28576260 is an apocalyptic number.

28576260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28576260 is an abundant number, since it is smaller than the sum of its proper divisors (60329340).

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

28576260 is a wasteful number, since it uses less digits than its factorization.

28576260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52937 (or 52929 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 28576260 is about 5345.6767579045. The cubic root of 28576260 is about 305.7279396553.

The spelling of 28576260 in words is "twenty-eight million, five hundred seventy-six thousand, two hundred sixty".