394739182382 has 16 divisors (see below), whose sum is σ = 594771420672. Its totient is φ = 196482969600.

The previous prime is 394739182361. The next prime is 394739182429. The reversal of 394739182382 is 283281937493.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623882 + ... + 1085682.

It is an arithmetic number, because the mean of its divisors is an integer number (37173213792).

Almost surely, 2^394739182382 is an apocalyptic number.

394739182382 is a deficient number, since it is larger than the sum of its proper divisors (200032238290).

394739182382 is a wasteful number, since it uses less digits than its factorization.

394739182382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463723.

The product of its digits is 15676416, while the sum is 59.

The spelling of 394739182382 in words is "three hundred ninety-four billion, seven hundred thirty-nine million, one hundred eighty-two thousand, three hundred eighty-two".