2869887 has 8 divisors (see below), whose sum is σ = 3950080. Its totient is φ = 1851480.

The previous prime is 2869883. The next prime is 2869901. The reversal of 2869887 is 7889682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2869887 - 2² = 2869883 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 15337 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (493760).

2^2869887 is an apocalyptic number.

2869887 is a deficient number, since it is larger than the sum of its proper divisors (1080193).

2869887 is a wasteful number, since it uses less digits than its factorization.

2869887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30893.

The product of its digits is 387072, while the sum is 48.

The square root of 2869887 is about 1694.0740833860. The cubic root of 2869887 is about 142.1090051069.

The spelling of 2869887 in words is "two million, eight hundred sixty-nine thousand, eight hundred eighty-seven".