315849 has 8 divisors (see below), whose sum is σ = 424960. Its totient is φ = 208656.

The previous prime is 315829. The next prime is 315851. The reversal of 315849 is 948513.

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

It is not a de Polignac number, because 315849 - 2⁸ = 315593 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315849.

It is not an unprimeable number, because it can be changed into a prime (315829) 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, 34 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (53120).

2³¹⁵⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

315849 is a deficient number, since it is larger than the sum of its proper divisors (109111).

315849 is a wasteful number, since it uses less digits than its factorization.

315849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 4320, while the sum is 30.

The square root of 315849 is about 562.0044483810. The cubic root of 315849 is about 68.1019951503.

The spelling of 315849 in words is "three hundred fifteen thousand, eight hundred forty-nine".