3972372 has 12 divisors (see below), whose sum is σ = 9268896. Its totient is φ = 1324120.

The previous prime is 3972359. The next prime is 3972377. The reversal of 3972372 is 2732793.

3972372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165504 + ... + 165527.

It is an arithmetic number, because the mean of its divisors is an integer number (772408).

Almost surely, 2^3972372 is an apocalyptic number.

It is an amenable number.

3972372 is an abundant number, since it is smaller than the sum of its proper divisors (5296524).

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

3972372 is a wasteful number, since it uses less digits than its factorization.

3972372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331038 (or 331036 counting only the distinct ones).

The product of its digits is 15876, while the sum is 33.

The square root of 3972372 is about 1993.0810319704. The cubic root of 3972372 is about 158.3737878777.

The spelling of 3972372 in words is "three million, nine hundred seventy-two thousand, three hundred seventy-two".