394892012 has 12 divisors (see below), whose sum is σ = 713353536. Its totient is φ = 191076720.

The previous prime is 394892011. The next prime is 394892023. The reversal of 394892012 is 210298493.

It is a super-2 number, since 2×394892012² = 311879402282816288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (394892011) 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, 1592183 + ... + 1592430.

It is an arithmetic number, because the mean of its divisors is an integer number (59446128).

Almost surely, 2^394892012 is an apocalyptic number.

It is an amenable number.

394892012 is a deficient number, since it is larger than the sum of its proper divisors (318461524).

394892012 is a wasteful number, since it uses less digits than its factorization.

394892012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184648 (or 3184646 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 394892012 is about 19871.8899956698. The cubic root of 394892012 is about 733.6565224675.

The spelling of 394892012 in words is "three hundred ninety-four million, eight hundred ninety-two thousand, twelve".