316442 has 12 divisors (see below), whose sum is σ = 552330. Its totient is φ = 135576.

The previous prime is 316439. The next prime is 316453. The reversal of 316442 is 244613.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 290521 + 25921 = 539^2 + 161^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316442.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1517 + ... + 1712.

2³¹⁶⁴⁴² is an apocalyptic number.

316442 is a deficient number, since it is larger than the sum of its proper divisors (235888).

316442 is a wasteful number, since it uses less digits than its factorization.

316442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3238 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 316442 is about 562.5317768802. The cubic root of 316442 is about 68.1445885370.

The spelling of 316442 in words is "three hundred sixteen thousand, four hundred forty-two".