974564 has 12 divisors (see below), whose sum is σ = 1738044. Its totient is φ = 477984.

The previous prime is 974563. The next prime is 974581. The reversal of 974564 is 465479.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 624100 = 592^2 + 790^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (974563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (144837).

2⁹⁷⁴⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

974564 is a deficient number, since it is larger than the sum of its proper divisors (763480).

974564 is a wasteful number, since it uses less digits than its factorization.

974564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4652 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 974564 is about 987.2000810373. The cubic root of 974564 is about 99.1448412137.

The spelling of 974564 in words is "nine hundred seventy-four thousand, five hundred sixty-four".