4440091 has 4 divisors (see below), whose sum is σ = 4673800. Its totient is φ = 4206384.

The previous prime is 4440089. The next prime is 4440131. The reversal of 4440091 is 1900444.

It is a happy number.

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 4440091 - 2¹ = 4440089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4440001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116826 + ... + 116863.

It is an arithmetic number, because the mean of its divisors is an integer number (1168450).

Almost surely, 2^4440091 is an apocalyptic number.

4440091 is a deficient number, since it is larger than the sum of its proper divisors (233709).

4440091 is a wasteful number, since it uses less digits than its factorization.

4440091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233708.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4440091 is about 2107.1523438043. The cubic root of 4440091 is about 164.3604381651.

The spelling of 4440091 in words is "four million, four hundred forty thousand, ninety-one".