4491112 has 8 divisors (see below), whose sum is σ = 8420850. Its totient is φ = 2245552.

The previous prime is 4491107. The next prime is 4491121. The reversal of 4491112 is 2111944.

It can be written as a sum of positive squares in only one way, i.e., 4384836 + 106276 = 2094^2 + 326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280687 + ... + 280702.

Almost surely, 2^4491112 is an apocalyptic number.

It is an amenable number.

4491112 is a deficient number, since it is larger than the sum of its proper divisors (3929738).

4491112 is a wasteful number, since it uses less digits than its factorization.

4491112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561395 (or 561391 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 4491112 is about 2119.2243864207. The cubic root of 4491112 is about 164.9875962515.

The spelling of 4491112 in words is "four million, four hundred ninety-one thousand, one hundred twelve".