2236836 has 48 divisors (see below), whose sum is σ = 6164480. Its totient is φ = 617760.

The previous prime is 2236831. The next prime is 2236873. The reversal of 2236836 is 6386322.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3³ + 6³ + 8³ + 3⁸ + 6⁴ .

It is not an unprimeable number, because it can be changed into a prime (2236831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175 + ... + 3033.

2^2236836 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 2236836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082240).

2236836 is an abundant number, since it is smaller than the sum of its proper divisors (3927644).

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

2236836 is a wasteful number, since it uses less digits than its factorization.

2236836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 902 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 2236836 is about 1495.6055629744. The cubic root of 2236836 is about 130.7810182969.

The spelling of 2236836 in words is "two million, two hundred thirty-six thousand, eight hundred thirty-six".