394818 has 16 divisors (see below), whose sum is σ = 824256. Its totient is φ = 125840.

The previous prime is 394817. The next prime is 394819. The reversal of 394818 is 818493.

It is an interprime number because it is at equal distance from previous prime (394817) and next prime (394819).

It is not an unprimeable number, because it can be changed into a prime (394811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (51516).

2³⁹⁴⁸¹⁸ is an apocalyptic number.

394818 is an abundant number, since it is smaller than the sum of its proper divisors (429438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394818 is a wasteful number, since it uses less digits than its factorization.

394818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889.

The product of its digits is 6912, while the sum is 33.

The square root of 394818 is about 628.3454463908. The cubic root of 394818 is about 73.3610684806.

The spelling of 394818 in words is "three hundred ninety-four thousand, eight hundred eighteen".