399058 has 24 divisors (see below), whose sum is σ = 703836. Its totient is φ = 168960.

The previous prime is 399043. The next prime is 399059. The reversal of 399058 is 850993.

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 5929 = 627^2 + 77^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (399059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4066 + ... + 4162.

2³⁹⁹⁰⁵⁸ is an apocalyptic number.

399058 is a deficient number, since it is larger than the sum of its proper divisors (304778).

399058 is a wasteful number, since it uses less digits than its factorization.

399058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 399058 is about 631.7103766759. The cubic root of 399058 is about 73.6227452149.

The spelling of 399058 in words is "three hundred ninety-nine thousand, fifty-eight".