2287887 has 8 divisors (see below), whose sum is σ = 3486336. Its totient is φ = 1307352.

The previous prime is 2287871. The next prime is 2287891. The reversal of 2287887 is 7887822.

2287887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2287887 - 2⁴ = 2287871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54453 + ... + 54494.

It is an arithmetic number, because the mean of its divisors is an integer number (435792).

2^2287887 is an apocalyptic number.

2287887 is a deficient number, since it is larger than the sum of its proper divisors (1198449).

2287887 is a wasteful number, since it uses less digits than its factorization.

2287887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108957.

The product of its digits is 100352, while the sum is 42.

The square root of 2287887 is about 1512.5762790683. The cubic root of 2287887 is about 131.7684761537.

The spelling of 2287887 in words is "two million, two hundred eighty-seven thousand, eight hundred eighty-seven".