3396639 has 8 divisors (see below), whose sum is σ = 4675072. Its totient is φ = 2191320.

The previous prime is 3396619. The next prime is 3396661. The reversal of 3396639 is 9366933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3396639 - 2⁷ = 3396511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3396597 and 3396606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3396619) 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 in 7 ways as a sum of consecutive naturals, for example, 18169 + ... + 18354.

It is an arithmetic number, because the mean of its divisors is an integer number (584384).

Almost surely, 2^3396639 is an apocalyptic number.

3396639 is a deficient number, since it is larger than the sum of its proper divisors (1278433).

3396639 is a wasteful number, since it uses less digits than its factorization.

3396639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36557.

The product of its digits is 78732, while the sum is 39.

The square root of 3396639 is about 1842.9972870300. The cubic root of 3396639 is about 150.3198950737.

The spelling of 3396639 in words is "three million, three hundred ninety-six thousand, six hundred thirty-nine".