3956996 has 6 divisors (see below), whose sum is σ = 6924750. Its totient is φ = 1978496.

The previous prime is 3956983. The next prime is 3956999. The reversal of 3956996 is 6996593.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 1188100 = 1664^2 + 1090^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3956996.

It is not an unprimeable number, because it can be changed into a prime (3956999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494621 + ... + 494628.

It is an arithmetic number, because the mean of its divisors is an integer number (1154125).

Almost surely, 2^3956996 is an apocalyptic number.

It is an amenable number.

3956996 is a deficient number, since it is larger than the sum of its proper divisors (2967754).

3956996 is a wasteful number, since it uses less digits than its factorization.

3956996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989253 (or 989251 counting only the distinct ones).

The product of its digits is 393660, while the sum is 47.

The square root of 3956996 is about 1989.2199476177. The cubic root of 3956996 is about 158.1691826625.

The spelling of 3956996 in words is "three million, nine hundred fifty-six thousand, nine hundred ninety-six".