4433385 has 32 divisors (see below), whose sum is σ = 7846272. Its totient is φ = 2119680.

The previous prime is 4433381. The next prime is 4433393. The reversal of 4433385 is 5833344.

It is not a de Polignac number, because 4433385 - 2² = 4433381 is a prime.

4433385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4433381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15867 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (245196).

Almost surely, 2^4433385 is an apocalyptic number.

It is an amenable number.

4433385 is a deficient number, since it is larger than the sum of its proper divisors (3412887).

4433385 is a wasteful number, since it uses less digits than its factorization.

4433385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its digits is 17280, while the sum is 30.

The square root of 4433385 is about 2105.5604954501. The cubic root of 4433385 is about 164.2776503378.

It can be divided in two parts, 443 and 3385, that added together give a triangular number (3828 = T₈₇).

The spelling of 4433385 in words is "four million, four hundred thirty-three thousand, three hundred eighty-five".