4084089 has 4 divisors (see below), whose sum is σ = 5445456. Its totient is φ = 2722724.

The previous prime is 4084081. The next prime is 4084109. The reversal of 4084089 is 9804804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4084089 - 2³ = 4084081 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4084081) 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, 680679 + ... + 680684.

It is an arithmetic number, because the mean of its divisors is an integer number (1361364).

Almost surely, 2^4084089 is an apocalyptic number.

It is an amenable number.

4084089 is a deficient number, since it is larger than the sum of its proper divisors (1361367).

4084089 is a wasteful number, since it uses less digits than its factorization.

4084089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361366.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 4084089 is about 2020.9129125225. The cubic root of 4084089 is about 159.8447582779.

The spelling of 4084089 in words is "four million, eighty-four thousand, eighty-nine".