394508 has 6 divisors (see below), whose sum is σ = 690396. Its totient is φ = 197252.

The previous prime is 394507. The next prime is 394523. The reversal of 394508 is 805493.

It is not an unprimeable number, because it can be changed into a prime (394501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49310 + ... + 49317.

It is an arithmetic number, because the mean of its divisors is an integer number (115066).

2³⁹⁴⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

394508 is a deficient number, since it is larger than the sum of its proper divisors (295888).

394508 is a wasteful number, since it uses less digits than its factorization.

394508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98631 (or 98629 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 394508 is about 628.0987183556. The cubic root of 394508 is about 73.3418631033.

The spelling of 394508 in words is "three hundred ninety-four thousand, five hundred eight".