399799119 has 8 divisors (see below), whose sum is σ = 533180592. Its totient is φ = 266475200.

The previous prime is 399799093. The next prime is 399799139. The reversal of 399799119 is 911997993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 399799119 - 2⁸ = 399798863 is a prime.

It is a super-2 number, since 2×399799119² = 319678671106352322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399799139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5917 + ... + 28889.

It is an arithmetic number, because the mean of its divisors is an integer number (66647574).

Almost surely, 2^399799119 is an apocalyptic number.

399799119 is a deficient number, since it is larger than the sum of its proper divisors (133381473).

399799119 is a wasteful number, since it uses less digits than its factorization.

399799119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777.

The product of its digits is 1240029, while the sum is 57.

The square root of 399799119 is about 19994.9773443232. The cubic root of 399799119 is about 736.6829370862.

The spelling of 399799119 in words is "three hundred ninety-nine million, seven hundred ninety-nine thousand, one hundred nineteen".