2115236 has 12 divisors (see below), whose sum is σ = 3762780. Its totient is φ = 1040160.

The previous prime is 2115233. The next prime is 2115277. The reversal of 2115236 is 6325112.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 1705636 = 640^2 + 1306^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115233) 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 3 ways as a sum of consecutive naturals, for example, 4091 + ... + 4578.

It is an arithmetic number, because the mean of its divisors is an integer number (313565).

2^2115236 is an apocalyptic number.

It is an amenable number.

2115236 is a deficient number, since it is larger than the sum of its proper divisors (1647544).

2115236 is a wasteful number, since it uses less digits than its factorization.

2115236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8734 (or 8732 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 2115236 is about 1454.3850934330. The cubic root of 2115236 is about 128.3668674196.

The spelling of 2115236 in words is "two million, one hundred fifteen thousand, two hundred thirty-six".