4491199 has 4 divisors (see below), whose sum is σ = 4504864. Its totient is φ = 4477536.

The previous prime is 4491191. The next prime is 4491203. The reversal of 4491199 is 9911944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4491199 - 2³ = 4491191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6327 + ... + 7000.

It is an arithmetic number, because the mean of its divisors is an integer number (1126216).

Almost surely, 2^4491199 is an apocalyptic number.

4491199 is a deficient number, since it is larger than the sum of its proper divisors (13665).

4491199 is a wasteful number, since it uses less digits than its factorization.

4491199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13664.

The product of its digits is 11664, while the sum is 37.

The square root of 4491199 is about 2119.2449126989. The cubic root of 4491199 is about 164.9886616023.

The spelling of 4491199 in words is "four million, four hundred ninety-one thousand, one hundred ninety-nine".