3956690 has 16 divisors (see below), whose sum is σ = 7432128. Its totient is φ = 1513776.

The previous prime is 3956681. The next prime is 3956737. The reversal of 3956690 is 966593.

It is a super-2 number, since 2×3956690² = 31310791512200, which contains 22 as substring.

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, 8372 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (464508).

Almost surely, 2^3956690 is an apocalyptic number.

3956690 is a deficient number, since it is larger than the sum of its proper divisors (3475438).

3956690 is a wasteful number, since it uses less digits than its factorization.

3956690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 3956690 is about 1989.1430315591. The cubic root of 3956690 is about 158.1651054099.

The spelling of 3956690 in words is "three million, nine hundred fifty-six thousand, six hundred ninety".