6449149 has 8 divisors (see below), whose sum is σ = 7396928. Its totient is φ = 5508000.

The previous prime is 6449141. The next prime is 6449159. The reversal of 6449149 is 9419446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6449149 - 2³ = 6449141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649 + ... + 3649.

It is an arithmetic number, because the mean of its divisors is an integer number (924616).

Almost surely, 2^6449149 is an apocalyptic number.

It is an amenable number.

6449149 is a deficient number, since it is larger than the sum of its proper divisors (947779).

6449149 is a wasteful number, since it uses less digits than its factorization.

6449149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315.

The product of its digits is 31104, while the sum is 37.

The square root of 6449149 is about 2539.5174738521. The cubic root of 6449149 is about 186.1376115792.

The spelling of 6449149 in words is "six million, four hundred forty-nine thousand, one hundred forty-nine".