2669889 has 4 divisors (see below), whose sum is σ = 3559856. Its totient is φ = 1779924.

The previous prime is 2669881. The next prime is 2669897. The reversal of 2669889 is 9889662.

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 an interprime number because it is at equal distance from previous prime (2669881) and next prime (2669897).

It is not a de Polignac number, because 2669889 - 2³ = 2669881 is a prime.

It is a D-number.

It is a Duffinian number.

2669889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2669881) 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, 444979 + ... + 444984.

It is an arithmetic number, because the mean of its divisors is an integer number (889964).

2^2669889 is an apocalyptic number.

It is an amenable number.

2669889 is a deficient number, since it is larger than the sum of its proper divisors (889967).

2669889 is an equidigital number, since it uses as much as digits as its factorization.

2669889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889966.

The product of its digits is 373248, while the sum is 48.

The square root of 2669889 is about 1633.9794980354. The cubic root of 2669889 is about 138.7280884155.

The spelling of 2669889 in words is "two million, six hundred sixty-nine thousand, eight hundred eighty-nine".