2124636 has 24 divisors (see below), whose sum is σ = 5009424. Its totient is φ = 700800.

The previous prime is 2124631. The next prime is 2124659. The reversal of 2124636 is 6364212.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 2 + 1 + 2²¹ + 4² + 6 + 3⁹ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (208726).

2^2124636 is an apocalyptic number.

It is an amenable number.

2124636 is an abundant number, since it is smaller than the sum of its proper divisors (2884788).

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

2124636 is a wasteful number, since it uses less digits than its factorization.

2124636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1859 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2124636 is about 1457.6131173943. The cubic root of 2124636 is about 128.5567383569.

Adding to 2124636 its reverse (6364212), we get a palindrome (8488848).

The spelling of 2124636 in words is "two million, one hundred twenty-four thousand, six hundred thirty-six".