2639089 has 4 divisors (see below), whose sum is σ = 2753856. Its totient is φ = 2524324.

The previous prime is 2639083. The next prime is 2639093. The reversal of 2639089 is 9809362.

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 2639089 - 2¹⁷ = 2508017 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 6² + 3⁷ + 9² + 0 + 8⁷ + 9⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2639083) 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, 57349 + ... + 57394.

It is an arithmetic number, because the mean of its divisors is an integer number (688464).

2^2639089 is an apocalyptic number.

It is an amenable number.

2639089 is a deficient number, since it is larger than the sum of its proper divisors (114767).

2639089 is a wasteful number, since it uses less digits than its factorization.

2639089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114766.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2639089 is about 1624.5273158676. The cubic root of 2639089 is about 138.1925653077.

The spelling of 2639089 in words is "two million, six hundred thirty-nine thousand, eighty-nine".