399437314 has 4 divisors (see below), whose sum is σ = 599155974. Its totient is φ = 199718656.

The previous prime is 399437281. The next prime is 399437327. The reversal of 399437314 is 413734993.

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., 288830025 + 110607289 = 16995^2 + 10517^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99859327 + ... + 99859330.

Almost surely, 2^399437314 is an apocalyptic number.

399437314 is a deficient number, since it is larger than the sum of its proper divisors (199718660).

399437314 is a wasteful number, since it uses less digits than its factorization.

399437314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199718659.

The product of its digits is 244944, while the sum is 43.

The square root of 399437314 is about 19985.9278993996. The cubic root of 399437314 is about 736.4606454404.

The spelling of 399437314 in words is "three hundred ninety-nine million, four hundred thirty-seven thousand, three hundred fourteen".