3974664 has 16 divisors (see below), whose sum is σ = 9936720. Its totient is φ = 1324880.

The previous prime is 3974657. The next prime is 3974681. The reversal of 3974664 is 4664793.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82782 + ... + 82829.

It is an arithmetic number, because the mean of its divisors is an integer number (621045).

Almost surely, 2^3974664 is an apocalyptic number.

It is an amenable number.

3974664 is an abundant number, since it is smaller than the sum of its proper divisors (5962056).

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

3974664 is a wasteful number, since it uses less digits than its factorization.

3974664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165620 (or 165616 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 3974664 is about 1993.6559382200. The cubic root of 3974664 is about 158.4042418005.

The spelling of 3974664 in words is "three million, nine hundred seventy-four thousand, six hundred sixty-four".