28572208 has 40 divisors (see below), whose sum is σ = 63538592. Its totient is φ = 12192768.

The previous prime is 28572191. The next prime is 28572239. The reversal of 28572208 is 80227582.

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, 37366 + ... + 38122.

Almost surely, 2^28572208 is an apocalyptic number.

28572208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28572208 is an abundant number, since it is smaller than the sum of its proper divisors (34966384).

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

28572208 is a wasteful number, since it uses less digits than its factorization.

28572208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28572208 is about 5345.2977466180. The cubic root of 28572208 is about 305.7134886370.

The spelling of 28572208 in words is "twenty-eight million, five hundred seventy-two thousand, two hundred eight".