28612160 has 28 divisors (see below), whose sum is σ = 68133468. Its totient is φ = 11444736.

The previous prime is 28612153. The next prime is 28612217. The reversal of 28612160 is 6121682.

It can be written as a sum of positive squares in 2 ways, for example, as 11505664 + 17106496 = 3392^2 + 4136^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44387 + ... + 45026.

Almost surely, 2^28612160 is an apocalyptic number.

28612160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28612160 is an abundant number, since it is smaller than the sum of its proper divisors (39521308).

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

28612160 is an equidigital number, since it uses as much as digits as its factorization.

28612160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89430 (or 89420 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 28612160 is about 5349.0335575691. The cubic root of 28612160 is about 305.8559134822.

The spelling of 28612160 in words is "twenty-eight million, six hundred twelve thousand, one hundred sixty".