3116639 has 8 divisors (see below), whose sum is σ = 3193008. Its totient is φ = 3041280.

The previous prime is 3116623. The next prime is 3116651. The reversal of 3116639 is 9366113.

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

It is a cyclic number.

It is not a de Polignac number, because 3116639 - 2⁴ = 3116623 is a prime.

It is a super-4 number, since 4×3116639⁴ (a number of 27 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11999 + ... + 12255.

It is an arithmetic number, because the mean of its divisors is an integer number (399126).

Almost surely, 2^3116639 is an apocalyptic number.

3116639 is a deficient number, since it is larger than the sum of its proper divisors (76369).

3116639 is a wasteful number, since it uses less digits than its factorization.

3116639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its digits is 2916, while the sum is 29.

The square root of 3116639 is about 1765.4005211283. The cubic root of 3116639 is about 146.0703826535.

The spelling of 3116639 in words is "three million, one hundred sixteen thousand, six hundred thirty-nine".