316865 has 8 divisors (see below), whose sum is σ = 384000. Its totient is φ = 250992.

The previous prime is 316861. The next prime is 316879. The reversal of 316865 is 568613.

316865 = T₁₉₈ + T₁₉₉ + ... + T₂₁₂.

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 316865 - 2² = 316861 is a prime.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316865.

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 7 ways as a sum of consecutive naturals, for example, 386 + ... + 884.

It is an arithmetic number, because the mean of its divisors is an integer number (48000).

2³¹⁶⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

316865 is a deficient number, since it is larger than the sum of its proper divisors (67135).

316865 is a wasteful number, since it uses less digits than its factorization.

316865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 4320, while the sum is 29.

The square root of 316865 is about 562.9076300780. The cubic root of 316865 is about 68.1749388345.

The spelling of 316865 in words is "three hundred sixteen thousand, eight hundred sixty-five".