318379 has 4 divisors (see below), whose sum is σ = 320320. Its totient is φ = 316440.

The previous prime is 318377. The next prime is 318403. The reversal of 318379 is 973813.

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

It is a cyclic number.

It is not a de Polignac number, because 318379 - 2¹ = 318377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318379.

It is not an unprimeable number, because it can be changed into a prime (318377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699 + ... + 1060.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

2³¹⁸³⁷⁹ is an apocalyptic number.

318379 is a deficient number, since it is larger than the sum of its proper divisors (1941).

318379 is a wasteful number, since it uses less digits than its factorization.

318379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940.

The product of its digits is 4536, while the sum is 31.

The square root of 318379 is about 564.2508307482. The cubic root of 318379 is about 68.2833476735.

The spelling of 318379 in words is "three hundred eighteen thousand, three hundred seventy-nine".