3956626 has 4 divisors (see below), whose sum is σ = 5934942. Its totient is φ = 1978312.

The previous prime is 3956587. The next prime is 3956639. The reversal of 3956626 is 6266593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 251001 = 1925^2 + 501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989155 + ... + 989158.

Almost surely, 2^3956626 is an apocalyptic number.

3956626 is a deficient number, since it is larger than the sum of its proper divisors (1978316).

3956626 is a wasteful number, since it uses less digits than its factorization.

3956626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978315.

The product of its digits is 58320, while the sum is 37.

The square root of 3956626 is about 1989.1269441642. The cubic root of 3956626 is about 158.1642526246.

It can be divided in two parts, 395 and 6626, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 3956626 in words is "three million, nine hundred fifty-six thousand, six hundred twenty-six".