4440491 has 4 divisors (see below), whose sum is σ = 4844184. Its totient is φ = 4036800.

The previous prime is 4440487. The next prime is 4440497. The reversal of 4440491 is 1940444.

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 4440491 - 2² = 4440487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440491.

It is not an unprimeable number, because it can be changed into a prime (4440497) 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 3 ways as a sum of consecutive naturals, for example, 201830 + ... + 201851.

It is an arithmetic number, because the mean of its divisors is an integer number (1211046).

Almost surely, 2^4440491 is an apocalyptic number.

4440491 is a deficient number, since it is larger than the sum of its proper divisors (403693).

4440491 is a wasteful number, since it uses less digits than its factorization.

4440491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403692.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4440491 is about 2107.2472564936. The cubic root of 4440491 is about 164.3653736646.

The spelling of 4440491 in words is "four million, four hundred forty thousand, four hundred ninety-one".