394885982 has 16 divisors (see below), whose sum is σ = 613224000. Its totient is φ = 190488480.

The previous prime is 394885973. The next prime is 394886021. The reversal of 394885982 is 289588493.

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, 146507 + ... + 149177.

It is an arithmetic number, because the mean of its divisors is an integer number (38326500).

Almost surely, 2^394885982 is an apocalyptic number.

394885982 is a deficient number, since it is larger than the sum of its proper divisors (218338018).

394885982 is a wasteful number, since it uses less digits than its factorization.

394885982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251.

The product of its digits is 4976640, while the sum is 56.

The square root of 394885982 is about 19871.7382732362. The cubic root of 394885982 is about 733.6527881375.

The spelling of 394885982 in words is "three hundred ninety-four million, eight hundred eighty-five thousand, nine hundred eighty-two".