3957422 has 16 divisors (see below), whose sum is σ = 6887040. Its totient is φ = 1670328.

The previous prime is 3957397. The next prime is 3957431. The reversal of 3957422 is 2247593.

It is a happy number.

It is a super-2 number, since 2×3957422² = 31322377772168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (430440).

Almost surely, 2^3957422 is an apocalyptic number.

3957422 is a deficient number, since it is larger than the sum of its proper divisors (2929618).

3957422 is a wasteful number, since it uses less digits than its factorization.

3957422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its digits is 15120, while the sum is 32.

The square root of 3957422 is about 1989.3270218845. The cubic root of 3957422 is about 158.1748584878.

The spelling of 3957422 in words is "three million, nine hundred fifty-seven thousand, four hundred twenty-two".