3726631 has 2 divisors, whose sum is σ = 3726632. Its totient is φ = 3726630.

The previous prime is 3726629. The next prime is 3726647. The reversal of 3726631 is 1366273.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3726631 - 2¹ = 3726629 is a prime.

It is a super-2 number, since 2×3726631² = 27775557220322, which contains 22 as substring.

Together with 3726629, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3726631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3726661) by changing a digit.

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, 1863315 + 1863316.

It is an arithmetic number, because the mean of its divisors is an integer number (1863316).

Almost surely, 2^3726631 is an apocalyptic number.

3726631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3726631 is an equidigital number, since it uses as much as digits as its factorization.

3726631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 3726631 is about 1930.4483935086. The cubic root of 3726631 is about 155.0382285173.

The spelling of 3726631 in words is "three million, seven hundred twenty-six thousand, six hundred thirty-one".