396705 has 16 divisors (see below), whose sum is σ = 648000. Its totient is φ = 207168.

The previous prime is 396703. The next prime is 396709. The reversal of 396705 is 507693.

It is not a de Polignac number, because 396705 - 2¹ = 396703 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396705.

It is not an unprimeable number, because it can be changed into a prime (396703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (40500).

2³⁹⁶⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

396705 is a deficient number, since it is larger than the sum of its proper divisors (251295).

396705 is a wasteful number, since it uses less digits than its factorization.

396705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 396705 is about 629.8452190816. The cubic root of 396705 is about 73.4777571641.

The spelling of 396705 in words is "three hundred ninety-six thousand, seven hundred five".