6632189 has 4 divisors (see below), whose sum is σ = 6639360. Its totient is φ = 6625020.

The previous prime is 6632177. The next prime is 6632203. The reversal of 6632189 is 9812366.

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 a de Polignac number, because none of the positive numbers 2^k-6632189 is a prime.

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 (6632149) 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, 1949 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 2^6632189 is an apocalyptic number.

It is an amenable number.

6632189 is a deficient number, since it is larger than the sum of its proper divisors (7171).

6632189 is a wasteful number, since it uses less digits than its factorization.

6632189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170.

The product of its digits is 15552, while the sum is 35.

The square root of 6632189 is about 2575.3036714143. The cubic root of 6632189 is about 187.8821975892.

The spelling of 6632189 in words is "six million, six hundred thirty-two thousand, one hundred eighty-nine".