3957956 has 24 divisors (see below), whose sum is σ = 7284480. Its totient is φ = 1879200.

The previous prime is 3957953. The next prime is 3957959. The reversal of 3957956 is 6597593.

It is an interprime number because it is at equal distance from previous prime (3957953) and next prime (3957959).

It is not an unprimeable number, because it can be changed into a prime (3957953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7046 + ... + 7586.

It is an arithmetic number, because the mean of its divisors is an integer number (303520).

Almost surely, 2^3957956 is an apocalyptic number.

It is an amenable number.

3957956 is a deficient number, since it is larger than the sum of its proper divisors (3326524).

3957956 is a wasteful number, since it uses less digits than its factorization.

3957956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its digits is 255150, while the sum is 44.

The square root of 3957956 is about 1989.4612336007. The cubic root of 3957956 is about 158.1819726795.

It can be divided in two parts, 3957 and 956, that added together give a cube (4913 = 17³).

The spelling of 3957956 in words is "three million, nine hundred fifty-seven thousand, nine hundred fifty-six".