28992960 has 84 divisors (see below), whose sum is σ = 99733608. Its totient is φ = 7730688.

The previous prime is 28992947. The next prime is 28992983. The reversal of 28992960 is 6929982.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2154 + ... + 7913.

Almost surely, 2^28992960 is an apocalyptic number.

28992960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28992960 is an abundant number, since it is smaller than the sum of its proper divisors (70740648).

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

28992960 is a wasteful number, since it uses less digits than its factorization.

28992960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090 (or 10077 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 28992960 is about 5384.5111198697. The cubic root of 28992960 is about 307.2068195101.

The spelling of 28992960 in words is "twenty-eight million, nine hundred ninety-two thousand, nine hundred sixty".