974664 has 24 divisors (see below), whose sum is σ = 2639910. Its totient is φ = 324864.

The previous prime is 974657. The next prime is 974707. The reversal of 974664 is 466479.

It can be written as a sum of positive squares in only one way, i.e., 562500 + 412164 = 750^2 + 642^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

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, 6697 + ... + 6840.

2⁹⁷⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

974664 is an abundant number, since it is smaller than the sum of its proper divisors (1665246).

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

974664 is a wasteful number, since it uses less digits than its factorization.

974664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13549 (or 13542 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 974664 is about 987.2507280321. The cubic root of 974664 is about 99.1482321813.

It can be divided in two parts, 97 and 4664, that added together give a square (4761 = 69²).

The spelling of 974664 in words is "nine hundred seventy-four thousand, six hundred sixty-four".