316869 has 16 divisors (see below), whose sum is σ = 491520. Its totient is φ = 177840.

The previous prime is 316861. The next prime is 316879. The reversal of 316869 is 968613.

It is not a de Polignac number, because 316869 - 2³ = 316861 is a prime.

It is a super-2 number, since 2×316869² = 200811926322, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

316869 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316869.

It is not an unprimeable number, because it can be changed into a prime (316861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (30720).

2³¹⁶⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

316869 is a deficient number, since it is larger than the sum of its proper divisors (174651).

316869 is a wasteful number, since it uses less digits than its factorization.

316869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 7776, while the sum is 33.

The square root of 316869 is about 562.9111830476. The cubic root of 316869 is about 68.1752257060.

The spelling of 316869 in words is "three hundred sixteen thousand, eight hundred sixty-nine".