2291892 has 48 divisors (see below), whose sum is σ = 5666304. Its totient is φ = 720000.

The previous prime is 2291867. The next prime is 2291893. The reversal of 2291892 is 2981922.

It is a happy number.

2291892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22642 + ... + 22742.

It is an arithmetic number, because the mean of its divisors is an integer number (118048).

2^2291892 is an apocalyptic number.

It is an amenable number.

2291892 is an abundant number, since it is smaller than the sum of its proper divisors (3374412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2291892 is a wasteful number, since it uses less digits than its factorization.

2291892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 198 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 2291892 is about 1513.8996003699. The cubic root of 2291892 is about 131.8453192714.

The spelling of 2291892 in words is "two million, two hundred ninety-one thousand, eight hundred ninety-two".