316438 has 16 divisors (see below), whose sum is σ = 517104. Its totient is φ = 144640.

The previous prime is 316429. The next prime is 316439. The reversal of 316438 is 834613.

316438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (32319).

2³¹⁶⁴³⁸ is an apocalyptic number.

316438 is a deficient number, since it is larger than the sum of its proper divisors (200666).

316438 is a wasteful number, since it uses less digits than its factorization.

316438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

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

The square root of 316438 is about 562.5282215143. The cubic root of 316438 is about 68.1443014075.

The spelling of 316438 in words is "three hundred sixteen thousand, four hundred thirty-eight".