3957926 has 12 divisors (see below), whose sum is σ = 6906348. Its totient is φ = 1696212.

The previous prime is 3957907. The next prime is 3957929. The reversal of 3957926 is 6297593.

3957926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957929) 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 5 ways as a sum of consecutive naturals, for example, 20096 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (575529).

Almost surely, 2^3957926 is an apocalyptic number.

3957926 is a deficient number, since it is larger than the sum of its proper divisors (2948422).

3957926 is a wasteful number, since it uses less digits than its factorization.

3957926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40403 (or 40396 counting only the distinct ones).

The product of its digits is 102060, while the sum is 41.

The square root of 3957926 is about 1989.4536938567. The cubic root of 3957926 is about 158.1815730228.

The spelling of 3957926 in words is "three million, nine hundred fifty-seven thousand, nine hundred twenty-six".