2164297 has 4 divisors (see below), whose sum is σ = 2201040. Its totient is φ = 2127556.

The previous prime is 2164291. The next prime is 2164307. The reversal of 2164297 is 7924612.

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 2164297 - 2¹¹ = 2162249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164291) 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, 18283 + ... + 18400.

It is an arithmetic number, because the mean of its divisors is an integer number (550260).

2^2164297 is an apocalyptic number.

It is an amenable number.

2164297 is a deficient number, since it is larger than the sum of its proper divisors (36743).

2164297 is an equidigital number, since it uses as much as digits as its factorization.

2164297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36742.

The product of its digits is 6048, while the sum is 31.

The square root of 2164297 is about 1471.1549884360. The cubic root of 2164297 is about 129.3517431960.

The spelling of 2164297 in words is "two million, one hundred sixty-four thousand, two hundred ninety-seven".