4509444 has 12 divisors (see below), whose sum is σ = 10522064. Its totient is φ = 1503144.

The previous prime is 4509419. The next prime is 4509451. The reversal of 4509444 is 4449054.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 14.

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, 187882 + ... + 187905.

Almost surely, 2^4509444 is an apocalyptic number.

It is an amenable number.

4509444 is an abundant number, since it is smaller than the sum of its proper divisors (6012620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4509444 is a wasteful number, since it uses less digits than its factorization.

4509444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375794 (or 375792 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4509444 is about 2123.5451490373. The cubic root of 4509444 is about 165.2117758218.

The spelling of 4509444 in words is "four million, five hundred nine thousand, four hundred forty-four".