394016718 has 32 divisors (see below), whose sum is σ = 878307840. Its totient is φ = 117106560.

The previous prime is 394016671. The next prime is 394016719. The reversal of 394016718 is 817610493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394016719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99718 + ... + 103593.

It is an arithmetic number, because the mean of its divisors is an integer number (27447120).

Almost surely, 2^394016718 is an apocalyptic number.

394016718 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

394016718 is an abundant number, since it is smaller than the sum of its proper divisors (484291122).

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

394016718 is a wasteful number, since it uses less digits than its factorization.

394016718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203352.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 394016718 is about 19849.8543571483. The cubic root of 394016718 is about 733.1140617615.

The spelling of 394016718 in words is "three hundred ninety-four million, sixteen thousand, seven hundred eighteen".