2743189 has 4 divisors (see below), whose sum is σ = 2746656. Its totient is φ = 2739724.

The previous prime is 2743183. The next prime is 2743207. The reversal of 2743189 is 9813472.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2743189 - 2¹⁹ = 2218901 is a prime.

It is an Ulam number.

It is a Duffinian number.

2743189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743183) 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, 102 + ... + 2344.

It is an arithmetic number, because the mean of its divisors is an integer number (686664).

2^2743189 is an apocalyptic number.

It is an amenable number.

2743189 is a deficient number, since it is larger than the sum of its proper divisors (3467).

2743189 is a wasteful number, since it uses less digits than its factorization.

2743189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its digits is 12096, while the sum is 34.

The square root of 2743189 is about 1656.2575282848. The cubic root of 2743189 is about 139.9862061240.

The spelling of 2743189 in words is "two million, seven hundred forty-three thousand, one hundred eighty-nine".