4441636 has 12 divisors (see below), whose sum is σ = 7795228. Its totient is φ = 2214432.

The previous prime is 4441627. The next prime is 4441643. The reversal of 4441636 is 6361444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3132900 + 1308736 = 1770^2 + 1144^2 .

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, 190 + ... + 2986.

Almost surely, 2^4441636 is an apocalyptic number.

It is an amenable number.

4441636 is a deficient number, since it is larger than the sum of its proper divisors (3353592).

4441636 is a wasteful number, since it uses less digits than its factorization.

4441636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3196 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 4441636 is about 2107.5189204370. The cubic root of 4441636 is about 164.3794998937.

It can be divided in two parts, 444 and 1636, that added together give a triangular number (2080 = T₆₄).

The spelling of 4441636 in words is "four million, four hundred forty-one thousand, six hundred thirty-six".