2153244 has 12 divisors (see below), whose sum is σ = 5024264. Its totient is φ = 717744.

The previous prime is 2153243. The next prime is 2153267. The reversal of 2153244 is 4423512.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2153244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89707 + ... + 89730.

2^2153244 is an apocalyptic number.

It is an amenable number.

2153244 is an abundant number, since it is smaller than the sum of its proper divisors (2871020).

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

2153244 is a wasteful number, since it uses less digits than its factorization.

2153244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179444 (or 179442 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 2153244 is about 1467.3936077277. The cubic root of 2153244 is about 129.1311687862.

Adding to 2153244 its reverse (4423512), we get a palindrome (6576756).

The spelling of 2153244 in words is "two million, one hundred fifty-three thousand, two hundred forty-four".