8449189 has 4 divisors (see below), whose sum is σ = 9656224. Its totient is φ = 7242156.

The previous prime is 8449159. The next prime is 8449223. The reversal of 8449189 is 9819448.

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 8449189 - 2¹⁹ = 7924901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449139) 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, 603507 + ... + 603520.

It is an arithmetic number, because the mean of its divisors is an integer number (2414056).

Almost surely, 2^8449189 is an apocalyptic number.

It is an amenable number.

8449189 is a deficient number, since it is larger than the sum of its proper divisors (1207035).

8449189 is a wasteful number, since it uses less digits than its factorization.

8449189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207034.

The product of its digits is 82944, while the sum is 43.

The square root of 8449189 is about 2906.7488711617. The cubic root of 8449189 is about 203.6752892055.

The spelling of 8449189 in words is "eight million, four hundred forty-nine thousand, one hundred eighty-nine".