2600889 has 4 divisors (see below), whose sum is σ = 3467856. Its totient is φ = 1733924.

The previous prime is 2600887. The next prime is 2600903. The reversal of 2600889 is 9880062.

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 2600889 - 2¹ = 2600887 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2600887) 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, 433479 + ... + 433484.

It is an arithmetic number, because the mean of its divisors is an integer number (866964).

2^2600889 is an apocalyptic number.

It is an amenable number.

2600889 is a deficient number, since it is larger than the sum of its proper divisors (866967).

2600889 is an equidigital number, since it uses as much as digits as its factorization.

2600889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866966.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2600889 is about 1612.7271932971. The cubic root of 2600889 is about 137.5225571808.

The spelling of 2600889 in words is "two million, six hundred thousand, eight hundred eighty-nine".