2164355 has 8 divisors (see below), whose sum is σ = 2750112. Its totient is φ = 1629568.

The previous prime is 2164313. The next prime is 2164367. The reversal of 2164355 is 5534612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164355 - 2⁶ = 2164291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12647 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (343764).

2^2164355 is an apocalyptic number.

2164355 is a deficient number, since it is larger than the sum of its proper divisors (585757).

2164355 is a wasteful number, since it uses less digits than its factorization.

2164355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25485.

The product of its digits is 3600, while the sum is 26.

The square root of 2164355 is about 1471.1747007069. The cubic root of 2164355 is about 129.3528986650.

Adding to 2164355 its reverse (5534612), we get a palindrome (7698967).

The spelling of 2164355 in words is "two million, one hundred sixty-four thousand, three hundred fifty-five".