394425441 has 12 divisors (see below), whose sum is σ = 570111360. Its totient is φ = 262772280.

The previous prime is 394425407. The next prime is 394425467. The reversal of 394425441 is 144524493.

It is not a de Polignac number, because 394425441 - 2²¹ = 392328289 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 394425396 and 394425405.

It is not an unprimeable number, because it can be changed into a prime (394421441) 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 11 ways as a sum of consecutive naturals, for example, 25 + ... + 28086.

It is an arithmetic number, because the mean of its divisors is an integer number (47509280).

Almost surely, 2^394425441 is an apocalyptic number.

It is an amenable number.

394425441 is a deficient number, since it is larger than the sum of its proper divisors (175685919).

394425441 is a wasteful number, since it uses less digits than its factorization.

394425441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29676 (or 29673 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 394425441 is about 19860.1470538362. The cubic root of 394425441 is about 733.3674664324.

The spelling of 394425441 in words is "three hundred ninety-four million, four hundred twenty-five thousand, four hundred forty-one".