28479560 has 32 divisors (see below), whose sum is σ = 64559160. Its totient is φ = 11306496.

The previous prime is 28479559. The next prime is 28479569. The reversal of 28479560 is 6597482.

It can be written as a sum of positive squares in 4 ways, for example, as 23290276 + 5189284 = 4826^2 + 2278^2 .

It is a super-2 number, since 2×28479560² = 1622170675587200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28479569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882 + ... + 8078.

Almost surely, 2^28479560 is an apocalyptic number.

28479560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28479560 is an abundant number, since it is smaller than the sum of its proper divisors (36079600).

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

28479560 is a wasteful number, since it uses less digits than its factorization.

28479560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5341 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 28479560 is about 5336.6244012484. The cubic root of 28479560 is about 305.3826961798.

The spelling of 28479560 in words is "twenty-eight million, four hundred seventy-nine thousand, five hundred sixty".