2164807 has 2 divisors, whose sum is σ = 2164808. Its totient is φ = 2164806.

The previous prime is 2164801. The next prime is 2164817. The reversal of 2164807 is 7084612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2164807 - 2¹⁹ = 1640519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164801) 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 as a sum of consecutive naturals, namely, 1082403 + 1082404.

It is an arithmetic number, because the mean of its divisors is an integer number (1082404).

2^2164807 is an apocalyptic number.

2164807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164807 is an equidigital number, since it uses as much as digits as its factorization.

2164807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2164807 is about 1471.3283114247. The cubic root of 2164807 is about 129.3619026470.

The spelling of 2164807 in words is "two million, one hundred sixty-four thousand, eight hundred seven".