316838 has 4 divisors (see below), whose sum is σ = 475260. Its totient is φ = 158418.

The previous prime is 316819. The next prime is 316847. The reversal of 316838 is 838613.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 316838.

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 316838.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79208 + ... + 79211.

It is an arithmetic number, because the mean of its divisors is an integer number (118815).

2³¹⁶⁸³⁸ is an apocalyptic number.

316838 is a deficient number, since it is larger than the sum of its proper divisors (158422).

316838 is a wasteful number, since it uses less digits than its factorization.

316838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158421.

The product of its digits is 3456, while the sum is 29.

The square root of 316838 is about 562.8836469467. The cubic root of 316838 is about 68.1730023888.

The spelling of 316838 in words is "three hundred sixteen thousand, eight hundred thirty-eight".