316400373 has 12 divisors (see below), whose sum is σ = 459935788. Its totient is φ = 209589120.

The previous prime is 316400363. The next prime is 316400387. The reversal of 316400373 is 373004613.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 173765124 + 142635249 = 13182^2 + 11943^2 .

It is not a de Polignac number, because 316400373 - 2⁵ = 316400341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316400333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110548 + ... + 113373.

Almost surely, 2^316400373 is an apocalyptic number.

It is an amenable number.

316400373 is a deficient number, since it is larger than the sum of its proper divisors (143535415).

316400373 is a wasteful number, since it uses less digits than its factorization.

316400373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224084 (or 224081 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 316400373 is about 17787.6466402951. The cubic root of 316400373 is about 681.4160033357.

Adding to 316400373 its reverse (373004613), we get a palindrome (689404986).

It can be divided in two parts, 316 and 400373, that added together give a square (400689 = 633²).

The spelling of 316400373 in words is "three hundred sixteen million, four hundred thousand, three hundred seventy-three".