3997612 has 12 divisors (see below), whose sum is σ = 7080696. Its totient is φ = 1974560.

The previous prime is 3997603. The next prime is 3997639. The reversal of 3997612 is 2167993.

It is a super-3 number, since 3×3997612³ (a number of 21 digits) contains 333 as substring.

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, 5689 + ... + 6352.

It is an arithmetic number, because the mean of its divisors is an integer number (590058).

Almost surely, 2^3997612 is an apocalyptic number.

It is an amenable number.

3997612 is a deficient number, since it is larger than the sum of its proper divisors (3083084).

3997612 is a wasteful number, since it uses less digits than its factorization.

3997612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128 (or 12126 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 3997612 is about 1999.4029108711. The cubic root of 3997612 is about 158.7085096275.

The spelling of 3997612 in words is "three million, nine hundred ninety-seven thousand, six hundred twelve".