3997692 has 36 divisors (see below), whose sum is σ = 10166520. Its totient is φ = 1324512.

The previous prime is 3997673. The next prime is 3997723. The reversal of 3997692 is 2967993.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10359 + ... + 10737.

Almost surely, 2^3997692 is an apocalyptic number.

It is an amenable number.

3997692 is an abundant number, since it is smaller than the sum of its proper divisors (6168828).

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

3997692 is a wasteful number, since it uses less digits than its factorization.

3997692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 677 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 3997692 is about 1999.4229167437. The cubic root of 3997692 is about 158.7095683092.

The spelling of 3997692 in words is "three million, nine hundred ninety-seven thousand, six hundred ninety-two".