394937676 has 72 divisors (see below), whose sum is σ = 1208057760. Its totient is φ = 106200576.

The previous prime is 394937657. The next prime is 394937677. The reversal of 394937676 is 676739493.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (394937677) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 41811 + ... + 50378.

It is an arithmetic number, because the mean of its divisors is an integer number (16778580).

Almost surely, 2^394937676 is an apocalyptic number.

394937676 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

394937676 is an abundant number, since it is smaller than the sum of its proper divisors (813120084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394937676 is a wasteful number, since it uses less digits than its factorization.

394937676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92223 (or 92218 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The square root of 394937676 is about 19873.0389221176. The cubic root of 394937676 is about 733.6848005783.

The spelling of 394937676 in words is "three hundred ninety-four million, nine hundred thirty-seven thousand, six hundred seventy-six".