316389 has 8 divisors (see below), whose sum is σ = 424512. Its totient is φ = 209600.

The previous prime is 316373. The next prime is 316391. The reversal of 316389 is 983613.

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

It is a cyclic number.

It is not a de Polignac number, because 316389 - 2⁴ = 316373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 589 + ... + 989.

It is an arithmetic number, because the mean of its divisors is an integer number (53064).

2³¹⁶³⁸⁹ is an apocalyptic number.

It is an amenable number.

316389 is a deficient number, since it is larger than the sum of its proper divisors (108123).

316389 is a wasteful number, since it uses less digits than its factorization.

316389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its digits is 3888, while the sum is 30.

The square root of 316389 is about 562.4846664577. The cubic root of 316389 is about 68.1407838747.

The spelling of 316389 in words is "three hundred sixteen thousand, three hundred eighty-nine".