2164430 has 16 divisors (see below), whose sum is σ = 3936384. Its totient is φ = 856800.

The previous prime is 2164429. The next prime is 2164433. The reversal of 2164430 is 344612.

It is a happy number.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 6² + 4⁶ + 4⁶ + 3¹⁰ + 0 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (246024).

2^2164430 is an apocalyptic number.

2164430 is a deficient number, since it is larger than the sum of its proper divisors (1771954).

2164430 is a wasteful number, since it uses less digits than its factorization.

2164430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2164430 is about 1471.2001903208. The cubic root of 2164430 is about 129.3543927753.

The spelling of 2164430 in words is "two million, one hundred sixty-four thousand, four hundred thirty".