2670189 has 4 divisors (see below), whose sum is σ = 3560256. Its totient is φ = 1780124.

The previous prime is 2670181. The next prime is 2670191. The reversal of 2670189 is 9810762.

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 not a de Polignac number, because 2670189 - 2³ = 2670181 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670181) 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, 445029 + ... + 445034.

It is an arithmetic number, because the mean of its divisors is an integer number (890064).

2^2670189 is an apocalyptic number.

It is an amenable number.

2670189 is a deficient number, since it is larger than the sum of its proper divisors (890067).

2670189 is an equidigital number, since it uses as much as digits as its factorization.

2670189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890066.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2670189 is about 1634.0712958742. The cubic root of 2670189 is about 138.7332842455.

The spelling of 2670189 in words is "two million, six hundred seventy thousand, one hundred eighty-nine".