399883 has 4 divisors (see below), whose sum is σ = 436248. Its totient is φ = 363520.

The previous prime is 399871. The next prime is 399887. The reversal of 399883 is 388993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388993 = 11 ⋅35363.

It is a cyclic number.

It is not a de Polignac number, because 399883 - 2⁵ = 399851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18166 + ... + 18187.

It is an arithmetic number, because the mean of its divisors is an integer number (109062).

2³⁹⁹⁸⁸³ is an apocalyptic number.

399883 is a deficient number, since it is larger than the sum of its proper divisors (36365).

399883 is a wasteful number, since it uses less digits than its factorization.

399883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36364.

The product of its digits is 46656, while the sum is 40.

The square root of 399883 is about 632.3630286473. The cubic root of 399883 is about 73.6734454108.

The spelling of 399883 in words is "three hundred ninety-nine thousand, eight hundred eighty-three".