28976960 has 56 divisors (see below), whose sum is σ = 69896736. Its totient is φ = 11440640.

The previous prime is 28976953. The next prime is 28976977. The reversal of 28976960 is 6967982.

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 7 ways as a sum of consecutive naturals, for example, 26015 + ... + 27105.

It is an arithmetic number, because the mean of its divisors is an integer number (1248156).

Almost surely, 2^28976960 is an apocalyptic number.

28976960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28976960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34948368).

28976960 is an abundant number, since it is smaller than the sum of its proper divisors (40919776).

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

28976960 is a wasteful number, since it uses less digits than its factorization.

28976960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 28976960 is about 5383.0251717784. The cubic root of 28976960 is about 307.1502975869.

The spelling of 28976960 in words is "twenty-eight million, nine hundred seventy-six thousand, nine hundred sixty".