2869889 has 16 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 2415360.

The previous prime is 2869883. The next prime is 2869901. The reversal of 2869889 is 9889682.

2869889 = T₁₁₇ + T₁₁₈ + ... + T₂₆₅.

It is not a de Polignac number, because 2869889 - 2⁴ = 2869873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2869883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19187 + ... + 19335.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

2^2869889 is an apocalyptic number.

It is an amenable number.

2869889 is a deficient number, since it is larger than the sum of its proper divisors (499711).

2869889 is a wasteful number, since it uses less digits than its factorization.

2869889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 497664, while the sum is 50.

The square root of 2869889 is about 1694.0746736788. The cubic root of 2869889 is about 142.1090381184.

The spelling of 2869889 in words is "two million, eight hundred sixty-nine thousand, eight hundred eighty-nine".