2287886 has 4 divisors (see below), whose sum is σ = 3431832. Its totient is φ = 1143942.

The previous prime is 2287871. The next prime is 2287891. The reversal of 2287886 is 6887822.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571970 + ... + 571973.

It is an arithmetic number, because the mean of its divisors is an integer number (857958).

2^2287886 is an apocalyptic number.

2287886 is a deficient number, since it is larger than the sum of its proper divisors (1143946).

2287886 is a wasteful number, since it uses less digits than its factorization.

2287886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143945.

The product of its digits is 86016, while the sum is 41.

The square root of 2287886 is about 1512.5759485064. The cubic root of 2287886 is about 131.7684569557.

The spelling of 2287886 in words is "two million, two hundred eighty-seven thousand, eight hundred eighty-six".