316990 has 8 divisors (see below), whose sum is σ = 570600. Its totient is φ = 126792.

The previous prime is 316961. The next prime is 316991. The reversal of 316990 is 99613.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316991) by changing a digit.

316990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15840 + ... + 15859.

It is an arithmetic number, because the mean of its divisors is an integer number (71325).

2³¹⁶⁹⁹⁰ is an apocalyptic number.

316990 is a deficient number, since it is larger than the sum of its proper divisors (253610).

316990 is a wasteful number, since it uses less digits than its factorization.

316990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31706.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 316990 is about 563.0186497799. The cubic root of 316990 is about 68.1839024279.

It can be divided in two parts, 31 and 6990, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 316990 in words is "three hundred sixteen thousand, nine hundred ninety".