2287869 has 8 divisors (see below), whose sum is σ = 3057600. Its totient is φ = 1521696.

The previous prime is 2287861. The next prime is 2287871. The reversal of 2287869 is 9687822.

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 2287869 - 2³ = 2287861 is a prime.

It is a super-2 number, since 2×2287869² = 10468689122322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2287869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

2^2287869 is an apocalyptic number.

It is an amenable number.

2287869 is a deficient number, since it is larger than the sum of its proper divisors (769731).

2287869 is a wasteful number, since it uses less digits than its factorization.

2287869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779.

The product of its digits is 96768, while the sum is 42.

The square root of 2287869 is about 1512.5703289434. The cubic root of 2287869 is about 131.7681305890.

The spelling of 2287869 in words is "two million, two hundred eighty-seven thousand, eight hundred sixty-nine".