2287999 has 8 divisors (see below), whose sum is σ = 2752640. Its totient is φ = 1857816.

The previous prime is 2287993. The next prime is 2288003. The reversal of 2287999 is 9997822.

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

It is a cyclic number.

It is not a de Polignac number, because 2287999 - 2³ = 2287991 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 (2287991) 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, 8469 + ... + 8734.

It is an arithmetic number, because the mean of its divisors is an integer number (344080).

2^2287999 is an apocalyptic number.

2287999 is a deficient number, since it is larger than the sum of its proper divisors (464641).

2287999 is a wasteful number, since it uses less digits than its factorization.

2287999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17229.

The product of its digits is 163296, while the sum is 46.

The square root of 2287999 is about 1512.6133015414. The cubic root of 2287999 is about 131.7706262932.

The spelling of 2287999 in words is "two million, two hundred eighty-seven thousand, nine hundred ninety-nine".