2427189 has 4 divisors (see below), whose sum is σ = 3236256. Its totient is φ = 1618124.

The previous prime is 2427179. The next prime is 2427211. The reversal of 2427189 is 9817242.

It is a happy number.

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 2427189 - 2⁵ = 2427157 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404529 + ... + 404534.

It is an arithmetic number, because the mean of its divisors is an integer number (809064).

2^2427189 is an apocalyptic number.

It is an amenable number.

2427189 is a deficient number, since it is larger than the sum of its proper divisors (809067).

2427189 is an equidigital number, since it uses as much as digits as its factorization.

2427189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809066.

The product of its digits is 8064, while the sum is 33.

The square root of 2427189 is about 1557.9438372419. The cubic root of 2427189 is about 134.3902819469.

The spelling of 2427189 in words is "two million, four hundred twenty-seven thousand, one hundred eighty-nine".