4491099 has 16 divisors (see below), whose sum is σ = 6817440. Its totient is φ = 2920320.

The previous prime is 4491089. The next prime is 4491107. The reversal of 4491099 is 9901944.

It is not a de Polignac number, because 4491099 - 2⁹ = 4490587 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4491079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (426090).

Almost surely, 2^4491099 is an apocalyptic number.

4491099 is a deficient number, since it is larger than the sum of its proper divisors (2326341).

4491099 is a wasteful number, since it uses less digits than its factorization.

4491099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 4491099 is about 2119.2213192586. The cubic root of 4491099 is about 164.9874370600.

The spelling of 4491099 in words is "four million, four hundred ninety-one thousand, ninety-nine".