2169453 has 24 divisors (see below), whose sum is σ = 3425760. Its totient is φ = 1210560.

The previous prime is 2169443. The next prime is 2169457. The reversal of 2169453 is 3549612.

It is not a de Polignac number, because 2169453 - 2⁶ = 2169389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2169453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5383 + ... + 5771.

It is an arithmetic number, because the mean of its divisors is an integer number (142740).

2^2169453 is an apocalyptic number.

It is an amenable number.

2169453 is a deficient number, since it is larger than the sum of its proper divisors (1256307).

2169453 is a wasteful number, since it uses less digits than its factorization.

2169453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 416 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 2169453 is about 1472.9063106661. The cubic root of 2169453 is about 129.4543798602.

It can be divided in two parts, 216 and 9453, that added together give a palindrome (9669).

The spelling of 2169453 in words is "two million, one hundred sixty-nine thousand, four hundred fifty-three".