394895 has 4 divisors (see below), whose sum is σ = 473880. Its totient is φ = 315912.

The previous prime is 394879. The next prime is 394897. The reversal of 394895 is 598493.

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 394895 - 2⁴ = 394879 is a prime.

It is a super-2 number, since 2×394895² = 311884122050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394897) 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, 39485 + ... + 39494.

It is an arithmetic number, because the mean of its divisors is an integer number (118470).

2³⁹⁴⁸⁹⁵ is an apocalyptic number.

394895 is a deficient number, since it is larger than the sum of its proper divisors (78985).

394895 is an equidigital number, since it uses as much as digits as its factorization.

394895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78984.

The product of its digits is 38880, while the sum is 38.

The square root of 394895 is about 628.4067154320. The cubic root of 394895 is about 73.3658372898.

The spelling of 394895 in words is "three hundred ninety-four thousand, eight hundred ninety-five".