3972422 has 8 divisors (see below), whose sum is σ = 6217776. Its totient is φ = 1899832.

The previous prime is 3972413. The next prime is 3972427. The reversal of 3972422 is 2242793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972427) 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, 43133 + ... + 43224.

It is an arithmetic number, because the mean of its divisors is an integer number (777222).

Almost surely, 2^3972422 is an apocalyptic number.

3972422 is a deficient number, since it is larger than the sum of its proper divisors (2245354).

3972422 is a wasteful number, since it uses less digits than its factorization.

3972422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86382.

The product of its digits is 6048, while the sum is 29.

The square root of 3972422 is about 1993.0935753246. The cubic root of 3972422 is about 158.3744523553.

The spelling of 3972422 in words is "three million, nine hundred seventy-two thousand, four hundred twenty-two".