84568464 has 30 divisors (see below), whose sum is σ = 236674646. Its totient is φ = 28189440.

The previous prime is 84568453. The next prime is 84568481. The reversal of 84568464 is 46486548.

84568464 is a `hidden beast` number, since 84 + 568 + 4 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59166864 + 25401600 = 7692^2 + 5040^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293497 + ... + 293784.

Almost surely, 2^84568464 is an apocalyptic number.

It is an amenable number.

84568464 is an abundant number, since it is smaller than the sum of its proper divisors (152106182).

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

84568464 is a wasteful number, since it uses less digits than its factorization.

84568464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587295 (or 587286 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 84568464 is about 9196.1113520879. Note that the first 3 decimals coincide. The cubic root of 84568464 is about 438.9376298329.

The spelling of 84568464 in words is "eighty-four million, five hundred sixty-eight thousand, four hundred sixty-four".