6449137 has 8 divisors (see below), whose sum is σ = 7013736. Its totient is φ = 5905152.

The previous prime is 6449123. The next prime is 6449141. The reversal of 6449137 is 7319446.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1766241 + 4682896 = 1329^2 + 2164^2 .

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 6449137 - 2¹⁵ = 6416369 is a prime.

It is a Duffinian number.

6449137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6449117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4498 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (876717).

Almost surely, 2^6449137 is an apocalyptic number.

It is an amenable number.

6449137 is a deficient number, since it is larger than the sum of its proper divisors (564599).

6449137 is a wasteful number, since it uses less digits than its factorization.

6449137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307.

The product of its digits is 18144, while the sum is 34.

The square root of 6449137 is about 2539.5151111974. The cubic root of 6449137 is about 186.1374961297.

The spelling of 6449137 in words is "six million, four hundred forty-nine thousand, one hundred thirty-seven".