399119 has 16 divisors (see below), whose sum is σ = 496128. Its totient is φ = 313632.

The previous prime is 399107. The next prime is 399131. The reversal of 399119 is 911993.

It is an interprime number because it is at equal distance from previous prime (399107) and next prime (399131).

It is a cyclic number.

It is not a de Polignac number, because 399119 - 2⁸ = 398863 is a prime.

It is a super-2 number, since 2×399119² = 318591952322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5924 + ... + 5990.

It is an arithmetic number, because the mean of its divisors is an integer number (31008).

2³⁹⁹¹¹⁹ is an apocalyptic number.

399119 is a deficient number, since it is larger than the sum of its proper divisors (97009).

399119 is a wasteful number, since it uses less digits than its factorization.

399119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

The product of its digits is 2187, while the sum is 32.

The square root of 399119 is about 631.7586564504. The cubic root of 399119 is about 73.6264963477.

The spelling of 399119 in words is "three hundred ninety-nine thousand, one hundred nineteen".