3159689 has 8 divisors (see below), whose sum is σ = 3495240. Its totient is φ = 2837376.

The previous prime is 3159677. The next prime is 3159691. The reversal of 3159689 is 9869513.

It can be written as a sum of positive squares in 4 ways, for example, as 1177225 + 1982464 = 1085^2 + 1408^2 .

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-3159689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3159619) 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, 2804 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (436905).

Almost surely, 2^3159689 is an apocalyptic number.

It is an amenable number.

3159689 is a deficient number, since it is larger than the sum of its proper divisors (335551).

3159689 is a wasteful number, since it uses less digits than its factorization.

3159689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619.

The product of its digits is 58320, while the sum is 41.

The square root of 3159689 is about 1777.5514057264. The cubic root of 3159689 is about 146.7398641746.

The spelling of 3159689 in words is "three million, one hundred fifty-nine thousand, six hundred eighty-nine".