399050 has 24 divisors (see below), whose sum is σ = 776736. Its totient is φ = 152240.

The previous prime is 399043. The next prime is 399059. The reversal of 399050 is 50993.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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

399050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (32364).

2³⁹⁹⁰⁵⁰ is an apocalyptic number.

399050 is a deficient number, since it is larger than the sum of its proper divisors (377686).

399050 is a wasteful number, since it uses less digits than its factorization.

399050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 399050 is about 631.7040446285. The cubic root of 399050 is about 73.6222532347.

The spelling of 399050 in words is "three hundred ninety-nine thousand, fifty".