3331639 has 2 divisors, whose sum is σ = 3331640. Its totient is φ = 3331638.

The previous prime is 3331621. The next prime is 3331649. The reversal of 3331639 is 9361333.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3331639 - 2¹³ = 3323447 is a prime.

It is a super-2 number, since 2×3331639² = 22199636852642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331649) 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, 1665819 + 1665820.

It is an arithmetic number, because the mean of its divisors is an integer number (1665820).

Almost surely, 2^3331639 is an apocalyptic number.

3331639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331639 is an equidigital number, since it uses as much as digits as its factorization.

3331639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 28.

The square root of 3331639 is about 1825.2777870779. The cubic root of 3331639 is about 149.3548439509.

The spelling of 3331639 in words is "three million, three hundred thirty-one thousand, six hundred thirty-nine".