399444314 has 4 divisors (see below), whose sum is σ = 599166474. Its totient is φ = 199722156.

The previous prime is 399444307. The next prime is 399444349. The reversal of 399444314 is 413444993.

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., 249798025 + 149646289 = 15805^2 + 12233^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99861077 + ... + 99861080.

Almost surely, 2^399444314 is an apocalyptic number.

399444314 is a deficient number, since it is larger than the sum of its proper divisors (199722160).

399444314 is a wasteful number, since it uses less digits than its factorization.

399444314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199722159.

The product of its digits is 186624, while the sum is 41.

The square root of 399444314 is about 19986.1030218500. The cubic root of 399444314 is about 736.4649474875.

The spelling of 399444314 in words is "three hundred ninety-nine million, four hundred forty-four thousand, three hundred fourteen".