313971946 has 8 divisors (see below), whose sum is σ = 498661380. Its totient is φ = 147751488.

The previous prime is 313971943. The next prime is 313971961. The reversal of 313971946 is 649179313.

It can be written as a sum of positive squares in 2 ways, for example, as 312900721 + 1071225 = 17689^2 + 1035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (313971943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617201 + ... + 4617268.

Almost surely, 2^313971946 is an apocalyptic number.

313971946 is a deficient number, since it is larger than the sum of its proper divisors (184689434).

313971946 is a wasteful number, since it uses less digits than its factorization.

313971946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9234488.

The product of its digits is 122472, while the sum is 43.

The square root of 313971946 is about 17719.2535395823. The cubic root of 313971946 is about 679.6681959667.

The spelling of 313971946 in words is "three hundred thirteen million, nine hundred seventy-one thousand, nine hundred forty-six".