4445885 has 4 divisors (see below), whose sum is σ = 5335068. Its totient is φ = 3556704.

The previous prime is 4445879. The next prime is 4445921. The reversal of 4445885 is 5885444.

It is a happy number.

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 1968409 + 2477476 = 1403^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 4445885 - 2⁴ = 4445869 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444584 + ... + 444593.

It is an arithmetic number, because the mean of its divisors is an integer number (1333767).

Almost surely, 2^4445885 is an apocalyptic number.

It is an amenable number.

4445885 is a deficient number, since it is larger than the sum of its proper divisors (889183).

4445885 is an equidigital number, since it uses as much as digits as its factorization.

4445885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889182.

The product of its digits is 102400, while the sum is 38.

The square root of 4445885 is about 2108.5267368473. The cubic root of 4445885 is about 164.4318999474.

The spelling of 4445885 in words is "four million, four hundred forty-five thousand, eight hundred eighty-five".