28207160 has 32 divisors (see below), whose sum is σ = 63700560. Its totient is φ = 11241216.

The previous prime is 28207159. The next prime is 28207181. The reversal of 28207160 is 6170282.

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, 11132 + ... + 13428.

Almost surely, 2^28207160 is an apocalyptic number.

28207160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28207160 is an abundant number, since it is smaller than the sum of its proper divisors (35493400).

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

28207160 is a wasteful number, since it uses less digits than its factorization.

28207160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 28207160 is about 5311.0413291557. The cubic root of 28207160 is about 304.4059385395.

The spelling of 28207160 in words is "twenty-eight million, two hundred seven thousand, one hundred sixty".