315598 has 4 divisors (see below), whose sum is σ = 473400. Its totient is φ = 157798.

The previous prime is 315593. The next prime is 315599. The reversal of 315598 is 895513.

315598 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 895513 = 911 ⋅983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315593) by changing a digit.

315598 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78898 + ... + 78901.

It is an arithmetic number, because the mean of its divisors is an integer number (118350).

2³¹⁵⁵⁹⁸ is an apocalyptic number.

315598 is a deficient number, since it is larger than the sum of its proper divisors (157802).

315598 is a wasteful number, since it uses less digits than its factorization.

315598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157801.

The product of its digits is 5400, while the sum is 31.

The square root of 315598 is about 561.7810961576. The cubic root of 315598 is about 68.0839505248.

The spelling of 315598 in words is "three hundred fifteen thousand, five hundred ninety-eight".