394861126 has 16 divisors (see below), whose sum is σ = 650857680. Its totient is φ = 178170880.

The previous prime is 394861073. The next prime is 394861133. The reversal of 394861126 is 621168493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62491 + ... + 68518.

It is an arithmetic number, because the mean of its divisors is an integer number (40678605).

Almost surely, 2^394861126 is an apocalyptic number.

394861126 is a deficient number, since it is larger than the sum of its proper divisors (255996554).

394861126 is a wasteful number, since it uses less digits than its factorization.

394861126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131159.

The product of its digits is 62208, while the sum is 40.

The square root of 394861126 is about 19871.1128525808. The cubic root of 394861126 is about 733.6373946170.

The spelling of 394861126 in words is "three hundred ninety-four million, eight hundred sixty-one thousand, one hundred twenty-six".