28322960 has 20 divisors (see below), whose sum is σ = 65851068. Its totient is φ = 11329152.

The previous prime is 28322953. The next prime is 28322981. The reversal of 28322960 is 6922382.

It can be written as a sum of positive squares in 2 ways, for example, as 14868736 + 13454224 = 3856^2 + 3668^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 176939 + ... + 177098.

Almost surely, 2^28322960 is an apocalyptic number.

28322960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28322960 is an abundant number, since it is smaller than the sum of its proper divisors (37528108).

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

28322960 is a wasteful number, since it uses less digits than its factorization.

28322960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354050 (or 354044 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 28322960 is about 5321.9319800238. The cubic root of 28322960 is about 304.8219331470.

The spelling of 28322960 in words is "twenty-eight million, three hundred twenty-two thousand, nine hundred sixty".