2144636 has 12 divisors (see below), whose sum is σ = 4041912. Its totient is φ = 989808.

The previous prime is 2144629. The next prime is 2144641. The reversal of 2144636 is 6364412.

2144636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 2¹³ + 1 + 4 + 4⁹ + 6² + 3¹³ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20570 + ... + 20673.

It is an arithmetic number, because the mean of its divisors is an integer number (336826).

2^2144636 is an apocalyptic number.

2144636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2144636 is a deficient number, since it is larger than the sum of its proper divisors (1897276).

2144636 is a wasteful number, since it uses less digits than its factorization.

2144636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41260 (or 41258 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 2144636 is about 1464.4575787642. The cubic root of 2144636 is about 128.9588635536.

The spelling of 2144636 in words is "two million, one hundred forty-four thousand, six hundred thirty-six".