399796 has 12 divisors (see below), whose sum is σ = 706048. Its totient is φ = 198072.

The previous prime is 399793. The next prime is 399851. The reversal of 399796 is 697993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399793) 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, 115 + ... + 901.

2³⁹⁹⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

399796 is a deficient number, since it is larger than the sum of its proper divisors (306252).

399796 is a wasteful number, since it uses less digits than its factorization.

399796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its digits is 91854, while the sum is 43.

The square root of 399796 is about 632.2942353051. The cubic root of 399796 is about 73.6681021357.

It can be divided in two parts, 3 and 99796, that added together give a palindrome (99799).

The spelling of 399796 in words is "three hundred ninety-nine thousand, seven hundred ninety-six".