2189293 has 4 divisors (see below), whose sum is σ = 2194720. Its totient is φ = 2183868.

The previous prime is 2189287. The next prime is 2189303. The reversal of 2189293 is 3929812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2189293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189273) 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 3 ways as a sum of consecutive naturals, for example, 2055 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (548680).

2^2189293 is an apocalyptic number.

It is an amenable number.

2189293 is a deficient number, since it is larger than the sum of its proper divisors (5427).

2189293 is an equidigital number, since it uses as much as digits as its factorization.

2189293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426.

The product of its digits is 7776, while the sum is 34.

The square root of 2189293 is about 1479.6259662496. The cubic root of 2189293 is about 129.8478100677.

The spelling of 2189293 in words is "two million, one hundred eighty-nine thousand, two hundred ninety-three".