394294542 has 32 divisors (see below), whose sum is σ = 797917824. Its totient is φ = 129885600.

The previous prime is 394294519. The next prime is 394294591. The reversal of 394294542 is 245492493.

It is a junction number, because it is equal to n+sod(n) for n = 394294494 and 394294503.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 216817 + ... + 218627.

It is an arithmetic number, because the mean of its divisors is an integer number (24934932).

Almost surely, 2^394294542 is an apocalyptic number.

394294542 is an abundant number, since it is smaller than the sum of its proper divisors (403623282).

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

394294542 is a wasteful number, since it uses less digits than its factorization.

394294542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224.

The product of its digits is 311040, while the sum is 42.

The square root of 394294542 is about 19856.8512609628. The cubic root of 394294542 is about 733.2863292646.

The spelling of 394294542 in words is "three hundred ninety-four million, two hundred ninety-four thousand, five hundred forty-two".