315399 has 16 divisors (see below), whose sum is σ = 502272. Its totient is φ = 172128.

The previous prime is 315389. The next prime is 315407. The reversal of 315399 is 993513.

It is not a de Polignac number, because 315399 - 2¹¹ = 313351 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315399.

It is not an unprimeable number, because it can be changed into a prime (315349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157 + ... + 809.

It is an arithmetic number, because the mean of its divisors is an integer number (31392).

2³¹⁵³⁹⁹ is an apocalyptic number.

315399 is a deficient number, since it is larger than the sum of its proper divisors (186873).

315399 is a wasteful number, since it uses less digits than its factorization.

315399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 3645, while the sum is 30.

The square root of 315399 is about 561.6039529775. The cubic root of 315399 is about 68.0696374272.

The spelling of 315399 in words is "three hundred fifteen thousand, three hundred ninety-nine".