316680346 has 4 divisors (see below), whose sum is σ = 475020522. Its totient is φ = 158340172.

The previous prime is 316680323. The next prime is 316680359. The reversal of 316680346 is 643086613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 311134321 + 5546025 = 17639^2 + 2355^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79170085 + ... + 79170088.

Almost surely, 2^316680346 is an apocalyptic number.

316680346 is a deficient number, since it is larger than the sum of its proper divisors (158340176).

316680346 is a wasteful number, since it uses less digits than its factorization.

316680346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158340175.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 316680346 is about 17795.5147719868. The cubic root of 316680346 is about 681.6169321329.

The spelling of 316680346 in words is "three hundred sixteen million, six hundred eighty thousand, three hundred forty-six".