320993914 has 4 divisors (see below), whose sum is σ = 481490874. Its totient is φ = 160496956.

The previous prime is 320993909. The next prime is 320993929. The reversal of 320993914 is 419399023.

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., 258662889 + 62331025 = 16083^2 + 7895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80248477 + ... + 80248480.

Almost surely, 2^320993914 is an apocalyptic number.

320993914 is a deficient number, since it is larger than the sum of its proper divisors (160496960).

320993914 is a wasteful number, since it uses less digits than its factorization.

320993914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160496959.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 320993914 is about 17916.3030226663. The cubic root of 320993914 is about 684.6978005262.

The spelling of 320993914 in words is "three hundred twenty million, nine hundred ninety-three thousand, nine hundred fourteen".