28604562 has 16 divisors (see below), whose sum is σ = 65381952. Its totient is φ = 8172720.

The previous prime is 28604549. The next prime is 28604567. The reversal of 28604562 is 26540682.

It is not an unprimeable number, because it can be changed into a prime (28604567) 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, 340489 + ... + 340572.

It is an arithmetic number, because the mean of its divisors is an integer number (4086372).

Almost surely, 2^28604562 is an apocalyptic number.

28604562 is an abundant number, since it is smaller than the sum of its proper divisors (36777390).

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

28604562 is a wasteful number, since it uses less digits than its factorization.

28604562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681073.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 28604562 is about 5348.3232886579. The cubic root of 28604562 is about 305.8288375937.

The spelling of 28604562 in words is "twenty-eight million, six hundred four thousand, five hundred sixty-two".