2164246 has 8 divisors (see below), whose sum is σ = 3710160. Its totient is φ = 927528.

The previous prime is 2164229. The next prime is 2164247. The reversal of 2164246 is 6424612.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2164246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164247) 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, 77281 + ... + 77308.

It is an arithmetic number, because the mean of its divisors is an integer number (463770).

2^2164246 is an apocalyptic number.

2164246 is a deficient number, since it is larger than the sum of its proper divisors (1545914).

2164246 is a wasteful number, since it uses less digits than its factorization.

2164246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154598.

The product of its digits is 2304, while the sum is 25.

The square root of 2164246 is about 1471.1376550140. The cubic root of 2164246 is about 129.3507271631.

Adding to 2164246 its reverse (6424612), we get a palindrome (8588858).

The spelling of 2164246 in words is "two million, one hundred sixty-four thousand, two hundred forty-six".