3656339 has 8 divisors (see below), whose sum is σ = 3770928. Its totient is φ = 3543040.

The previous prime is 3656329. The next prime is 3656353. The reversal of 3656339 is 9336563.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3656339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3656299 and 3656308.

It is not an unprimeable number, because it can be changed into a prime (3656329) 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, 10364 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (471366).

Almost surely, 2^3656339 is an apocalyptic number.

3656339 is a deficient number, since it is larger than the sum of its proper divisors (114589).

3656339 is a wasteful number, since it uses less digits than its factorization.

3656339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its digits is 43740, while the sum is 35.

The square root of 3656339 is about 1912.1555899037. The cubic root of 3656339 is about 154.0572536879.

The spelling of 3656339 in words is "three million, six hundred fifty-six thousand, three hundred thirty-nine".