399334 has 8 divisors (see below), whose sum is σ = 645120. Its totient is φ = 184296.

The previous prime is 399283. The next prime is 399353. The reversal of 399334 is 433993.

399334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 399296 and 399305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7654 + ... + 7705.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2³⁹⁹³³⁴ is an apocalyptic number.

399334 is a deficient number, since it is larger than the sum of its proper divisors (245786).

399334 is a wasteful number, since it uses less digits than its factorization.

399334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15374.

The product of its digits is 8748, while the sum is 31.

The square root of 399334 is about 631.9287934570. The cubic root of 399334 is about 73.6397145067.

The spelling of 399334 in words is "three hundred ninety-nine thousand, three hundred thirty-four".