2889987 has 12 divisors (see below), whose sum is σ = 3952584. Its totient is φ = 1878240.

The previous prime is 2889979. The next prime is 2890001. The reversal of 2889987 is 7899882.

It is not a de Polignac number, because 2889987 - 2³ = 2889979 is a prime.

Its product of digits (580608) is a multiple of the sum of its prime divisors (567).

It is not an unprimeable number, because it can be changed into a prime (2889947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5287 + ... + 5807.

It is an arithmetic number, because the mean of its divisors is an integer number (329382).

2^2889987 is an apocalyptic number.

2889987 is a deficient number, since it is larger than the sum of its proper divisors (1062597).

2889987 is an equidigital number, since it uses as much as digits as its factorization.

2889987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 567 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 2889987 is about 1699.9961764663. The cubic root of 2889987 is about 142.4399993628.

The spelling of 2889987 in words is "two million, eight hundred eighty-nine thousand, nine hundred eighty-seven".