2236436 has 12 divisors (see below), whose sum is σ = 3936660. Its totient is φ = 1111680.

The previous prime is 2236417. The next prime is 2236457. The reversal of 2236436 is 6346322.

It can be written as a sum of positive squares in 2 ways, for example, as 913936 + 1322500 = 956^2 + 1150^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (328055).

2^2236436 is an apocalyptic number.

It is an amenable number.

2236436 is a deficient number, since it is larger than the sum of its proper divisors (1700224).

2236436 is a wasteful number, since it uses less digits than its factorization.

2236436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274 (or 3272 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 2236436 is about 1495.4718318979. The cubic root of 2236436 is about 130.7732222364.

The spelling of 2236436 in words is "two million, two hundred thirty-six thousand, four hundred thirty-six".