316966397 has 6 divisors (see below), whose sum is σ = 348401214. Its totient is φ = 288151160.

The previous prime is 316966357. The next prime is 316966423. The reversal of 316966397 is 793669613.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 289204036 + 27762361 = 17006^2 + 5269^2 .

It is not a de Polignac number, because 316966397 - 2¹⁶ = 316900861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316966327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1309658 + ... + 1309899.

It is an arithmetic number, because the mean of its divisors is an integer number (58066869).

Almost surely, 2^316966397 is an apocalyptic number.

It is an amenable number.

316966397 is a deficient number, since it is larger than the sum of its proper divisors (31434817).

316966397 is a wasteful number, since it uses less digits than its factorization.

316966397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619579 (or 2619568 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 50.

The square root of 316966397 is about 17803.5501235006. The cubic root of 316966397 is about 681.8221006681.

The spelling of 316966397 in words is "three hundred sixteen million, nine hundred sixty-six thousand, three hundred ninety-seven".