2153436 has 12 divisors (see below), whose sum is σ = 5024712. Its totient is φ = 717808.

The previous prime is 2153429. The next prime is 2153449. The reversal of 2153436 is 6343512.

It is a happy number.

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

It is a d-powerful number, because it can be written as 2 + 1 + 5⁹ + 3⁸ + 4⁷ + 3¹¹ + 6³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89715 + ... + 89738.

It is an arithmetic number, because the mean of its divisors is an integer number (418726).

2^2153436 is an apocalyptic number.

It is an amenable number.

2153436 is an abundant number, since it is smaller than the sum of its proper divisors (2871276).

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

2153436 is a wasteful number, since it uses less digits than its factorization.

2153436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179460 (or 179458 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 2153436 is about 1467.4590283889. The cubic root of 2153436 is about 129.1350067856.

Adding to 2153436 its reverse (6343512), we get a palindrome (8496948).

The spelling of 2153436 in words is "two million, one hundred fifty-three thousand, four hundred thirty-six".