2286636 has 48 divisors (see below), whose sum is σ = 6168960. Its totient is φ = 651520.

The previous prime is 2286629. The next prime is 2286649. The reversal of 2286636 is 6366822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 2286597 and 2286606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^2286636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2286636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084480).

2286636 is an abundant number, since it is smaller than the sum of its proper divisors (3882324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2286636 is a wasteful number, since it uses less digits than its factorization.

2286636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 2286636 is about 1512.1626896601. The cubic root of 2286636 is about 131.7444550930.

The spelling of 2286636 in words is "two million, two hundred eighty-six thousand, six hundred thirty-six".