28600560 has 80 divisors (see below), whose sum is σ = 98520480. Its totient is φ = 7626240.

The previous prime is 28600543. The next prime is 28600571. The reversal of 28600560 is 6500682.

28600560 is a `hidden beast` number, since 2 + 8 + 600 + 56 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4461 + ... + 8780.

It is an arithmetic number, because the mean of its divisors is an integer number (1231506).

Almost surely, 2^28600560 is an apocalyptic number.

28600560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28600560 is an abundant number, since it is smaller than the sum of its proper divisors (69919920).

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

28600560 is a wasteful number, since it uses less digits than its factorization.

28600560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13263 (or 13251 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 28600560 is about 5347.9491396235. The cubic root of 28600560 is about 305.8145743200.

The spelling of 28600560 in words is "twenty-eight million, six hundred thousand, five hundred sixty".