399368014 has 4 divisors (see below), whose sum is σ = 599052024. Its totient is φ = 199684006.

The previous prime is 399367987. The next prime is 399368023. The reversal of 399368014 is 410863993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410863993 = 41 ⋅10021073.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99842002 + ... + 99842005.

It is an arithmetic number, because the mean of its divisors is an integer number (149763006).

Almost surely, 2^399368014 is an apocalyptic number.

399368014 is a deficient number, since it is larger than the sum of its proper divisors (199684010).

399368014 is a wasteful number, since it uses less digits than its factorization.

399368014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199684009.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 399368014 is about 19984.1941043416. The cubic root of 399368014 is about 736.4180524621.

The spelling of 399368014 in words is "three hundred ninety-nine million, three hundred sixty-eight thousand, fourteen".