2163146 has 12 divisors (see below), whose sum is σ = 3305202. Its totient is φ = 1061736.

The previous prime is 2163137. The next prime is 2163163. The reversal of 2163146 is 6413612.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 172225 = 1411^2 + 415^2 .

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 5 ways as a sum of consecutive naturals, for example, 13700 + ... + 13856.

2^2163146 is an apocalyptic number.

2163146 is a deficient number, since it is larger than the sum of its proper divisors (1142056).

2163146 is an equidigital number, since it uses as much as digits as its factorization.

2163146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 242 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 2163146 is about 1470.7637471736. The cubic root of 2163146 is about 129.3288088426.

Adding to 2163146 its reverse (6413612), we get a palindrome (8576758).

The spelling of 2163146 in words is "two million, one hundred sixty-three thousand, one hundred forty-six".