4321089 has 12 divisors (see below), whose sum is σ = 6328036. Its totient is φ = 2840832.

The previous prime is 4321081. The next prime is 4321091. The reversal of 4321089 is 9801234.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 680625 = 1908^2 + 825^2 .

It is not a de Polignac number, because 4321089 - 2³ = 4321081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4321081) 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 11 ways as a sum of consecutive naturals, for example, 2632 + ... + 3945.

Almost surely, 2^4321089 is an apocalyptic number.

It is an amenable number.

4321089 is a deficient number, since it is larger than the sum of its proper divisors (2006947).

4321089 is a wasteful number, since it uses less digits than its factorization.

4321089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656 (or 6653 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4321089 is about 2078.7229252596. The cubic root of 4321089 is about 162.8787410347.

It can be divided in two parts, 432 and 1089, that added together give a square (1521 = 39²).

The spelling of 4321089 in words is "four million, three hundred twenty-one thousand, eighty-nine".