3997704 has 16 divisors (see below), whose sum is σ = 9994320. Its totient is φ = 1332560.

The previous prime is 3997673. The next prime is 3997723. The reversal of 3997704 is 4077993.

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, 83262 + ... + 83309.

It is an arithmetic number, because the mean of its divisors is an integer number (624645).

Almost surely, 2^3997704 is an apocalyptic number.

It is an amenable number.

3997704 is an abundant number, since it is smaller than the sum of its proper divisors (5996616).

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

3997704 is a wasteful number, since it uses less digits than its factorization.

3997704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166580 (or 166576 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 3997704 is about 1999.4259176074. The cubic root of 3997704 is about 158.7097271103.

The spelling of 3997704 in words is "three million, nine hundred ninety-seven thousand, seven hundred four".