394012 has 12 divisors (see below), whose sum is σ = 695520. Its totient is φ = 195296.

The previous prime is 394007. The next prime is 394019. The reversal of 394012 is 210493.

394012 is nontrivially palindromic in base 14.

It is a super-2 number, since 2×394012² = 310490912288, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394019) by changing a digit.

394012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2³⁹⁴⁰¹² is an apocalyptic number.

It is an amenable number.

394012 is a deficient number, since it is larger than the sum of its proper divisors (301508).

394012 is a wasteful number, since it uses less digits than its factorization.

394012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 394012 is about 627.7037517810. The cubic root of 394012 is about 73.3111135620.

The spelling of 394012 in words is "three hundred ninety-four thousand, twelve".