394716854 has 32 divisors (see below), whose sum is σ = 714312000. Its totient is φ = 163322880.

The previous prime is 394716821. The next prime is 394716859. The reversal of 394716854 is 458617493.

It is a junction number, because it is equal to n+sod(n) for n = 394716799 and 394716808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394716859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9974 + ... + 29814.

It is an arithmetic number, because the mean of its divisors is an integer number (22322250).

Almost surely, 2^394716854 is an apocalyptic number.

394716854 is a deficient number, since it is larger than the sum of its proper divisors (319595146).

394716854 is a wasteful number, since it uses less digits than its factorization.

394716854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19893 (or 19879 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 394716854 is about 19867.4823266563. The cubic root of 394716854 is about 733.5480330494.

The spelling of 394716854 in words is "three hundred ninety-four million, seven hundred sixteen thousand, eight hundred fifty-four".