396739 has 12 divisors (see below), whose sum is σ = 481584. Its totient is φ = 320112.

The previous prime is 396733. The next prime is 396833. The reversal of 396739 is 937693.

It is a de Polignac number, because none of the positive numbers 2^k-396739 is a prime.

It is a Duffinian number.

396739 is an undulating number in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 396698 and 396707.

It is not an unprimeable number, because it can be changed into a prime (396733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2449 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (40132).

2³⁹⁶⁷³⁹ is an apocalyptic number.

396739 is a deficient number, since it is larger than the sum of its proper divisors (84845).

396739 is a wasteful number, since it uses less digits than its factorization.

396739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 183 counting only the distinct ones).

The product of its digits is 30618, while the sum is 37.

The square root of 396739 is about 629.8722092615. The cubic root of 396739 is about 73.4798562658.

The spelling of 396739 in words is "three hundred ninety-six thousand, seven hundred thirty-nine".