318328946 has 16 divisors (see below), whose sum is σ = 517104000. Its totient is φ = 146098128.

The previous prime is 318328937. The next prime is 318328963. The reversal of 318328946 is 649823813.

It is a super-2 number, since 2×318328946² = 202666635722941832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318328897 and 318328906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29546 + ... + 38853.

It is an arithmetic number, because the mean of its divisors is an integer number (32319000).

Almost surely, 2^318328946 is an apocalyptic number.

318328946 is a deficient number, since it is larger than the sum of its proper divisors (198775054).

318328946 is a wasteful number, since it uses less digits than its factorization.

318328946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68593.

The product of its digits is 248832, while the sum is 44.

The square root of 318328946 is about 17841.7753040442. The cubic root of 318328946 is about 682.7976909387.

The spelling of 318328946 in words is "three hundred eighteen million, three hundred twenty-eight thousand, nine hundred forty-six".