4394385 has 32 divisors (see below), whose sum is σ = 8004480. Its totient is φ = 2286144.

The previous prime is 4394371. The next prime is 4394413. The reversal of 4394385 is 5834934.

It is not a de Polignac number, because 4394385 - 2⁵ = 4394353 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5427 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (250140).

Almost surely, 2^4394385 is an apocalyptic number.

4394385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4394385 is a deficient number, since it is larger than the sum of its proper divisors (3610095).

4394385 is a wasteful number, since it uses less digits than its factorization.

4394385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 808 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4394385 is about 2096.2788459554. The cubic root of 4394385 is about 163.7945200705.

The spelling of 4394385 in words is "four million, three hundred ninety-four thousand, three hundred eighty-five".