3306631 has 2 divisors, whose sum is σ = 3306632. Its totient is φ = 3306630.

The previous prime is 3306629. The next prime is 3306643. The reversal of 3306631 is 1366033.

It is a happy number.

3306631 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 3306631 - 2¹ = 3306629 is a prime.

It is a super-2 number, since 2×3306631² = 21867617140322, which contains 22 as substring.

Together with 3306629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3306601) 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, 1653315 + 1653316.

It is an arithmetic number, because the mean of its divisors is an integer number (1653316).

Almost surely, 2^3306631 is an apocalyptic number.

3306631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3306631 is an equidigital number, since it uses as much as digits as its factorization.

3306631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 3306631 is about 1818.4144192125. The cubic root of 3306631 is about 148.9802084728.

The spelling of 3306631 in words is "three million, three hundred six thousand, six hundred thirty-one".