394679808 has 120 divisors (see below), whose sum is σ = 1152118968. Its totient is φ = 130056192.

The previous prime is 394679801. The next prime is 394679809. The reversal of 394679808 is 808976493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394679801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446535 + ... + 447417.

Almost surely, 2^394679808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394679808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576059484).

394679808 is an abundant number, since it is smaller than the sum of its proper divisors (757439160).

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

394679808 is an equidigital number, since it uses as much as digits as its factorization.

394679808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 394679808 is about 19866.5499772859. The cubic root of 394679808 is about 733.5250833743.

The spelling of 394679808 in words is "three hundred ninety-four million, six hundred seventy-nine thousand, eight hundred eight".