316992785 has 8 divisors (see below), whose sum is σ = 396930240. Its totient is φ = 242568304.

The previous prime is 316992773. The next prime is 316992787. The reversal of 316992785 is 587299613.

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

It is not a de Polignac number, because 316992785 - 2¹² = 316988689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316992787) 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, 1378115 + ... + 1378344.

It is an arithmetic number, because the mean of its divisors is an integer number (49616280).

Almost surely, 2^316992785 is an apocalyptic number.

It is an amenable number.

316992785 is a deficient number, since it is larger than the sum of its proper divisors (79937455).

316992785 is a wasteful number, since it uses less digits than its factorization.

316992785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756487.

The product of its digits is 816480, while the sum is 50.

The square root of 316992785 is about 17804.2911962257. The cubic root of 316992785 is about 681.8410210989.

The spelling of 316992785 in words is "three hundred sixteen million, nine hundred ninety-two thousand, seven hundred eighty-five".