84047564 has 24 divisors (see below), whose sum is σ = 155319360. Its totient is φ = 39684816.

The previous prime is 84047563. The next prime is 84047567. The reversal of 84047564 is 46574048.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (84047563) 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, 24779 + ... + 27965.

It is an arithmetic number, because the mean of its divisors is an integer number (6471640).

Almost surely, 2^84047564 is an apocalyptic number.

It is an amenable number.

84047564 is a deficient number, since it is larger than the sum of its proper divisors (71271796).

84047564 is a wasteful number, since it uses less digits than its factorization.

84047564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3555 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 84047564 is about 9167.7458516257. The cubic root of 84047564 is about 438.0345600775.

The spelling of 84047564 in words is "eighty-four million, forty-seven thousand, five hundred sixty-four".