2192871 has 16 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 1404480.

The previous prime is 2192863. The next prime is 2192873. The reversal of 2192871 is 1782912.

It is not a de Polignac number, because 2192871 - 2³ = 2192863 is a prime.

2192871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11386 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

2^2192871 is an apocalyptic number.

2192871 is a deficient number, since it is larger than the sum of its proper divisors (848409).

2192871 is a wasteful number, since it uses less digits than its factorization.

2192871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 2016, while the sum is 30.

The square root of 2192871 is about 1480.8345619954. The cubic root of 2192871 is about 129.9185090856.

The spelling of 2192871 in words is "two million, one hundred ninety-two thousand, eight hundred seventy-one".