3997772 has 12 divisors (see below), whose sum is σ = 7092456. Its totient is φ = 1971360.

The previous prime is 3997769. The next prime is 3997801. The reversal of 3997772 is 2777993.

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, 6554 + ... + 7137.

It is an arithmetic number, because the mean of its divisors is an integer number (591038).

Almost surely, 2^3997772 is an apocalyptic number.

It is an amenable number.

3997772 is a deficient number, since it is larger than the sum of its proper divisors (3094684).

3997772 is a wasteful number, since it uses less digits than its factorization.

3997772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768 (or 13766 counting only the distinct ones).

The product of its digits is 166698, while the sum is 44.

The square root of 3997772 is about 1999.4429224161. The cubic root of 3997772 is about 158.7106269768.

The spelling of 3997772 in words is "three million, nine hundred ninety-seven thousand, seven hundred seventy-two".