4066394 has 8 divisors (see below), whose sum is σ = 6296448. Its totient is φ = 1967580.

The previous prime is 4066379. The next prime is 4066441. The reversal of 4066394 is 4936604.

4066394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4066394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32732 + ... + 32855.

It is an arithmetic number, because the mean of its divisors is an integer number (787056).

Almost surely, 2^4066394 is an apocalyptic number.

4066394 is a deficient number, since it is larger than the sum of its proper divisors (2230054).

4066394 is a wasteful number, since it uses less digits than its factorization.

4066394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65620.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 4066394 is about 2016.5301882194. The cubic root of 4066394 is about 159.6135726717.

The spelling of 4066394 in words is "four million, sixty-six thousand, three hundred ninety-four".