2397189 has 4 divisors (see below), whose sum is σ = 3196256. Its totient is φ = 1598124.

The previous prime is 2397181. The next prime is 2397191. The reversal of 2397189 is 9817932.

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 not a de Polignac number, because 2397189 - 2³ = 2397181 is a prime.

It is a D-number.

It is a Duffinian 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 (2397181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399529 + ... + 399534.

It is an arithmetic number, because the mean of its divisors is an integer number (799064).

2^2397189 is an apocalyptic number.

It is an amenable number.

2397189 is a deficient number, since it is larger than the sum of its proper divisors (799067).

2397189 is an equidigital number, since it uses as much as digits as its factorization.

2397189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799066.

The product of its digits is 27216, while the sum is 39.

The square root of 2397189 is about 1548.2858263254. The cubic root of 2397189 is about 133.8342980393.

It can be divided in two parts, 239 and 7189, that multiplied together give a palindrome (1718171).

The spelling of 2397189 in words is "two million, three hundred ninety-seven thousand, one hundred eighty-nine".