3316639 has 2 divisors, whose sum is σ = 3316640. Its totient is φ = 3316638.

The previous prime is 3316637. The next prime is 3316661. The reversal of 3316639 is 9366133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3316639 - 2¹ = 3316637 is a prime.

It is a super-2 number, since 2×3316639² = 22000188512642, which contains 22 as substring.

Together with 3316637, it forms a pair of twin primes.

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 3316639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3316637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1658319 + 1658320.

It is an arithmetic number, because the mean of its divisors is an integer number (1658320).

Almost surely, 2^3316639 is an apocalyptic number.

3316639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3316639 is an equidigital number, since it uses as much as digits as its factorization.

3316639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 31.

The square root of 3316639 is about 1821.1641880951. The cubic root of 3316639 is about 149.1303605172.

The spelling of 3316639 in words is "three million, three hundred sixteen thousand, six hundred thirty-nine".