2168353 has 4 divisors (see below), whose sum is σ = 2365488. Its totient is φ = 1971220.

The previous prime is 2168351. The next prime is 2168363. The reversal of 2168353 is 3538612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2168353 - 2¹ = 2168351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98551 + ... + 98572.

It is an arithmetic number, because the mean of its divisors is an integer number (591372).

2^2168353 is an apocalyptic number.

It is an amenable number.

2168353 is a deficient number, since it is larger than the sum of its proper divisors (197135).

2168353 is a wasteful number, since it uses less digits than its factorization.

2168353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197134.

The product of its digits is 4320, while the sum is 28.

The square root of 2168353 is about 1472.5328519256. The cubic root of 2168353 is about 129.4324966340.

It can be divided in two parts, 21683 and 53, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 2168353 in words is "two million, one hundred sixty-eight thousand, three hundred fifty-three".