394294541 has 4 divisors (see below), whose sum is σ = 394719900. Its totient is φ = 393869184.

The previous prime is 394294519. The next prime is 394294591. The reversal of 394294541 is 145492493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48706441 + 345588100 = 6979^2 + 18590^2 .

It is a cyclic number.

It is not a de Polignac number, because 394294541 - 2¹⁰ = 394293517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394294501) 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 3 ways as a sum of consecutive naturals, for example, 211286 + ... + 213143.

It is an arithmetic number, because the mean of its divisors is an integer number (98679975).

Almost surely, 2^394294541 is an apocalyptic number.

It is an amenable number.

394294541 is a deficient number, since it is larger than the sum of its proper divisors (425359).

394294541 is an equidigital number, since it uses as much as digits as its factorization.

394294541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425358.

The product of its digits is 155520, while the sum is 41.

The square root of 394294541 is about 19856.8512357826. The cubic root of 394294541 is about 733.2863286447.

The spelling of 394294541 in words is "three hundred ninety-four million, two hundred ninety-four thousand, five hundred forty-one".