394887 has 16 divisors (see below), whose sum is σ = 564480. Its totient is φ = 244992.

The previous prime is 394879. The next prime is 394897. The reversal of 394887 is 788493.

It is not a de Polignac number, because 394887 - 2³ = 394879 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4023 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2³⁹⁴⁸⁸⁷ is an apocalyptic number.

394887 is a deficient number, since it is larger than the sum of its proper divisors (169593).

394887 is a wasteful number, since it uses less digits than its factorization.

394887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its digits is 48384, while the sum is 39.

The square root of 394887 is about 628.4003500954. The cubic root of 394887 is about 73.3653418579.

The spelling of 394887 in words is "three hundred ninety-four thousand, eight hundred eighty-seven".