394351344676 has 9 divisors (see below), whose sum is σ = 690117051099. Its totient is φ = 197175044364.

The previous prime is 394351344649. The next prime is 394351344679. The reversal of 394351344676 is 676443153493.

The square root of 394351344676 is 627974.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394351344679) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1098955 + ... + 1412941.

Almost surely, 2^394351344676 is an apocalyptic number.

394351344676 is the 627974-th square number.

It is an amenable number.

394351344676 is a deficient number, since it is larger than the sum of its proper divisors (295765706423).

394351344676 is an frugal number, since it uses more digits than its factorization.

394351344676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627978 (or 313989 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 55.

The spelling of 394351344676 in words is "three hundred ninety-four billion, three hundred fifty-one million, three hundred forty-four thousand, six hundred seventy-six".