394606382524 has 12 divisors (see below), whose sum is σ = 690565688064. Its totient is φ = 197301900224.

The previous prime is 394606382507. The next prime is 394606382539. The reversal of 394606382524 is 425283606493.

It is a super-2 number, since 2×394606382524² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795252 + ... + 1192324.

It is an arithmetic number, because the mean of its divisors is an integer number (57547140672).

Almost surely, 2^394606382524 is an apocalyptic number.

It is an amenable number.

394606382524 is a deficient number, since it is larger than the sum of its proper divisors (295959305540).

394606382524 is a wasteful number, since it uses less digits than its factorization.

394606382524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645524 (or 645522 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 394606382524 in words is "three hundred ninety-four billion, six hundred six million, three hundred eighty-two thousand, five hundred twenty-four".