3972412 has 6 divisors (see below), whose sum is σ = 6951728. Its totient is φ = 1986204.

The previous prime is 3972377. The next prime is 3972413. The reversal of 3972412 is 2142793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496548 + ... + 496555.

Almost surely, 2^3972412 is an apocalyptic number.

It is an amenable number.

3972412 is a deficient number, since it is larger than the sum of its proper divisors (2979316).

3972412 is a wasteful number, since it uses less digits than its factorization.

3972412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993107 (or 993105 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 3972412 is about 1993.0910666600. The cubic root of 3972412 is about 158.3743194602.

It can be divided in two parts, 397 and 2412, that added together give a square (2809 = 53²).

The spelling of 3972412 in words is "three million, nine hundred seventy-two thousand, four hundred twelve".