318634 has 8 divisors (see below), whose sum is σ = 480420. Its totient is φ = 158496.

The previous prime is 318629. The next prime is 318641. The reversal of 318634 is 436813.

318634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 308025 + 10609 = 555^2 + 103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 318599 and 318608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372 + ... + 880.

2³¹⁸⁶³⁴ is an apocalyptic number.

318634 is a deficient number, since it is larger than the sum of its proper divisors (161786).

318634 is a wasteful number, since it uses less digits than its factorization.

318634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its digits is 1728, while the sum is 25.

The square root of 318634 is about 564.4767488569. The cubic root of 318634 is about 68.3015729198.

The spelling of 318634 in words is "three hundred eighteen thousand, six hundred thirty-four".