28672960 has 28 divisors (see below), whose sum is σ = 68278248. Its totient is φ = 11469056.

The previous prime is 28672949. The next prime is 28672993. The reversal of 28672960 is 6927682.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44482 + ... + 45121.

Almost surely, 2^28672960 is an apocalyptic number.

28672960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28672960 is an abundant number, since it is smaller than the sum of its proper divisors (39605288).

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

28672960 is an equidigital number, since it uses as much as digits as its factorization.

28672960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89620 (or 89610 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 28672960 is about 5354.7138112134. The cubic root of 28672960 is about 306.0724051540.

The spelling of 28672960 in words is "twenty-eight million, six hundred seventy-two thousand, nine hundred sixty".