394807 has 4 divisors (see below), whose sum is σ = 451216. Its totient is φ = 338400.

The previous prime is 394787. The next prime is 394811. The reversal of 394807 is 708493.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 394807 - 2¹¹ = 392759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394817) 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, 28194 + ... + 28207.

It is an arithmetic number, because the mean of its divisors is an integer number (112804).

2³⁹⁴⁸⁰⁷ is an apocalyptic number.

394807 is a deficient number, since it is larger than the sum of its proper divisors (56409).

394807 is an equidigital number, since it uses as much as digits as its factorization.

394807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56408.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 394807 is about 628.3366931829. The cubic root of 394807 is about 73.3603871715.

The spelling of 394807 in words is "three hundred ninety-four thousand, eight hundred seven".