2164492 has 12 divisors (see below), whose sum is σ = 4132296. Its totient is φ = 983840.

The previous prime is 2164489. The next prime is 2164493. The reversal of 2164492 is 2944612.

It is a d-powerful number, because it can be written as 2 + 1 + 6⁵ + 4⁴ + 4⁴ + 9⁵ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2164492.

It is not an unprimeable number, because it can be changed into a prime (2164493) 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, 24553 + ... + 24640.

It is an arithmetic number, because the mean of its divisors is an integer number (344358).

2^2164492 is an apocalyptic number.

2164492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2164492 is a deficient number, since it is larger than the sum of its proper divisors (1967804).

2164492 is a wasteful number, since it uses less digits than its factorization.

2164492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49208 (or 49206 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2164492 is about 1471.2212614016. The cubic root of 2164492 is about 129.3556278804.

It can be divided in two parts, 21644 and 92, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 2164492 in words is "two million, one hundred sixty-four thousand, four hundred ninety-two".