3960631 has 2 divisors, whose sum is σ = 3960632. Its totient is φ = 3960630.

The previous prime is 3960613. The next prime is 3960667. The reversal of 3960631 is 1360693.

Together with previous prime (3960613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3960631 - 2⁵ = 3960599 is a prime.

It is a super-2 number, since 2×3960631² = 31373195836322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3960631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3960431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980315 + 1980316.

It is an arithmetic number, because the mean of its divisors is an integer number (1980316).

Almost surely, 2^3960631 is an apocalyptic number.

3960631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960631 is an equidigital number, since it uses as much as digits as its factorization.

3960631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3960631 is about 1990.1334126133. The cubic root of 3960631 is about 158.2176006220.

The spelling of 3960631 in words is "three million, nine hundred sixty thousand, six hundred thirty-one".