6654189 has 4 divisors (see below), whose sum is σ = 8872256. Its totient is φ = 4436124.

The previous prime is 6654173. The next prime is 6654211. The reversal of 6654189 is 9814566.

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 6654189 - 2⁴ = 6654173 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654289) 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, 1109029 + ... + 1109034.

It is an arithmetic number, because the mean of its divisors is an integer number (2218064).

Almost surely, 2^6654189 is an apocalyptic number.

It is an amenable number.

6654189 is a deficient number, since it is larger than the sum of its proper divisors (2218067).

6654189 is a wasteful number, since it uses less digits than its factorization.

6654189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218066.

The product of its digits is 51840, while the sum is 39.

The square root of 6654189 is about 2579.5714760402. The cubic root of 6654189 is about 188.0897131051.

The spelling of 6654189 in words is "six million, six hundred fifty-four thousand, one hundred eighty-nine".