315679 has 8 divisors (see below), whose sum is σ = 388640. Its totient is φ = 249696.

The previous prime is 315677. The next prime is 315691. The reversal of 315679 is 976513.

315679 = 21² + 22² + ... + 98².

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 315679 - 2¹ = 315677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315671) 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, 1644 + ... + 1825.

It is an arithmetic number, because the mean of its divisors is an integer number (48580).

2³¹⁵⁶⁷⁹ is an apocalyptic number.

315679 is a deficient number, since it is larger than the sum of its proper divisors (72961).

315679 is a wasteful number, since it uses less digits than its factorization.

315679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its digits is 5670, while the sum is 31.

The square root of 315679 is about 561.8531836699. The cubic root of 315679 is about 68.0897747360.

The spelling of 315679 in words is "three hundred fifteen thousand, six hundred seventy-nine".