4409091 has 12 divisors (see below), whose sum is σ = 6517368. Its totient is φ = 2870784.

The previous prime is 4409087. The next prime is 4409101. The reversal of 4409091 is 1909044.

It is not a de Polignac number, because 4409091 - 2² = 4409087 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4409081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5310 + ... + 6083.

It is an arithmetic number, because the mean of its divisors is an integer number (543114).

Almost surely, 2^4409091 is an apocalyptic number.

4409091 is a deficient number, since it is larger than the sum of its proper divisors (2108277).

4409091 is a wasteful number, since it uses less digits than its factorization.

4409091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442 (or 11439 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4409091 is about 2099.7835602747. The cubic root of 4409091 is about 163.9770317825.

The spelling of 4409091 in words is "four million, four hundred nine thousand, ninety-one".