396907 has 4 divisors (see below), whose sum is σ = 453616. Its totient is φ = 340200.

The previous prime is 396887. The next prime is 396919. The reversal of 396907 is 709693.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-396907 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396937) 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, 28344 + ... + 28357.

It is an arithmetic number, because the mean of its divisors is an integer number (113404).

2³⁹⁶⁹⁰⁷ is an apocalyptic number.

396907 is a deficient number, since it is larger than the sum of its proper divisors (56709).

396907 is an equidigital number, since it uses as much as digits as its factorization.

396907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56708.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 396907 is about 630.0055555311. The cubic root of 396907 is about 73.4902265376.

The spelling of 396907 in words is "three hundred ninety-six thousand, nine hundred seven".