28750960 has 40 divisors (see below), whose sum is σ = 76396896. Its totient is φ = 9857280.

The previous prime is 28750913. The next prime is 28750979. The reversal of 28750960 is 6905782.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25111 + ... + 26230.

Almost surely, 2^28750960 is an apocalyptic number.

28750960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28750960 is an abundant number, since it is smaller than the sum of its proper divisors (47645936).

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

28750960 is a wasteful number, since it uses less digits than its factorization.

28750960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51361 (or 51355 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 28750960 is about 5361.9921670961. The cubic root of 28750960 is about 306.3496934908.

The spelling of 28750960 in words is "twenty-eight million, seven hundred fifty thousand, nine hundred sixty".