399033 has 8 divisors (see below), whose sum is σ = 591200. Its totient is φ = 266004.

The previous prime is 399031. The next prime is 399043. The reversal of 399033 is 330993.

It is not a de Polignac number, because 399033 - 2¹ = 399031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14779 = 399033 / (3 + 9 + 9 + 0 + 3 + 3).

It is a Duffinian number.

It is a Curzon number.

399033 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 398988 and 399006.

It is not an unprimeable number, because it can be changed into a prime (399031) 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, 7363 + ... + 7416.

It is an arithmetic number, because the mean of its divisors is an integer number (73900).

2³⁹⁹⁰³³ is an apocalyptic number.

It is an amenable number.

399033 is a deficient number, since it is larger than the sum of its proper divisors (192167).

399033 is a wasteful number, since it uses less digits than its factorization.

399033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14788 (or 14782 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The square root of 399033 is about 631.6905888170. The cubic root of 399033 is about 73.6212077550.

The spelling of 399033 in words is "three hundred ninety-nine thousand, thirty-three".