3972079 has 4 divisors (see below), whose sum is σ = 3982680. Its totient is φ = 3961480.

The previous prime is 3972071. The next prime is 3972091. The reversal of 3972079 is 9702793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9702793 = 2797 ⋅3469.

It is a cyclic number.

It is not a de Polignac number, because 3972079 - 2³ = 3972071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4717 + ... + 5494.

It is an arithmetic number, because the mean of its divisors is an integer number (995670).

Almost surely, 2^3972079 is an apocalyptic number.

3972079 is a deficient number, since it is larger than the sum of its proper divisors (10601).

3972079 is a wasteful number, since it uses less digits than its factorization.

3972079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 3972079 is about 1993.0075263280. The cubic root of 3972079 is about 158.3698939271.

The spelling of 3972079 in words is "three million, nine hundred seventy-two thousand, seventy-nine".