399382 has 8 divisors (see below), whose sum is σ = 601776. Its totient is φ = 198792.

The previous prime is 399379. The next prime is 399389. The reversal of 399382 is 283993.

399382 is nontrivially palindromic in base 16.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (75222).

2³⁹⁹³⁸² is an apocalyptic number.

399382 is a deficient number, since it is larger than the sum of its proper divisors (202394).

399382 is a wasteful number, since it uses less digits than its factorization.

399382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its digits is 11664, while the sum is 34.

The square root of 399382 is about 631.9667712784. The cubic root of 399382 is about 73.6426648896.

The spelling of 399382 in words is "three hundred ninety-nine thousand, three hundred eighty-two".