399119914 has 16 divisors (see below), whose sum is σ = 634291776. Its totient is φ = 187704000.

The previous prime is 399119899. The next prime is 399119939. The reversal of 399119914 is 419911993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78139 + ... + 83089.

It is an arithmetic number, because the mean of its divisors is an integer number (39643236).

Almost surely, 2^399119914 is an apocalyptic number.

399119914 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

399119914 is a deficient number, since it is larger than the sum of its proper divisors (235171862).

399119914 is a wasteful number, since it uses less digits than its factorization.

399119914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341.

The product of its digits is 78732, while the sum is 46.

The square root of 399119914 is about 19977.9857343026. The cubic root of 399119914 is about 736.2655255032.

The spelling of 399119914 in words is "three hundred ninety-nine million, one hundred nineteen thousand, nine hundred fourteen".