316400290 has 16 divisors (see below), whose sum is σ = 578858040. Its totient is φ = 124485120.

The previous prime is 316400269. The next prime is 316400297. The reversal of 316400290 is 92004613.

It can be written as a sum of positive squares in 4 ways, for example, as 269189649 + 47210641 = 16407^2 + 6871^2 .

It is not an unprimeable number, because it can be changed into a prime (316400297) 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, 258735 + ... + 259954.

Almost surely, 2^316400290 is an apocalyptic number.

316400290 is a deficient number, since it is larger than the sum of its proper divisors (262457750).

316400290 is a wasteful number, since it uses less digits than its factorization.

316400290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518757.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 316400290 is about 17787.6443072151. The cubic root of 316400290 is about 681.4159437514.

The spelling of 316400290 in words is "three hundred sixteen million, four hundred thousand, two hundred ninety".