3706631 has 2 divisors, whose sum is σ = 3706632. Its totient is φ = 3706630.

The previous prime is 3706627. The next prime is 3706649. The reversal of 3706631 is 1366073.

3706631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3706631 - 2² = 3706627 is a prime.

It is a super-2 number, since 2×3706631² = 27478226740322, 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 3706631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3706621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1853315 + 1853316.

It is an arithmetic number, because the mean of its divisors is an integer number (1853316).

Almost surely, 2^3706631 is an apocalyptic number.

3706631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3706631 is an equidigital number, since it uses as much as digits as its factorization.

3706631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3706631 is about 1925.2612809694. The cubic root of 3706631 is about 154.7603789702.

The spelling of 3706631 in words is "three million, seven hundred six thousand, six hundred thirty-one".