2164276 has 12 divisors (see below), whose sum is σ = 3875872. Its totient is φ = 1056888.

The previous prime is 2164273. The next prime is 2164291. The reversal of 2164276 is 6724612.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164273) 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, 6120 + ... + 6463.

2^2164276 is an apocalyptic number.

It is an amenable number.

2164276 is a deficient number, since it is larger than the sum of its proper divisors (1711596).

2164276 is a wasteful number, since it uses less digits than its factorization.

2164276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12630 (or 12628 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 2164276 is about 1471.1478511693. The cubic root of 2164276 is about 129.3513248314.

Adding to 2164276 its reverse (6724612), we get a palindrome (8888888).

The spelling of 2164276 in words is "two million, one hundred sixty-four thousand, two hundred seventy-six".