6450849 has 12 divisors (see below), whose sum is σ = 9360000. Its totient is φ = 4281144.

The previous prime is 6450841. The next prime is 6450863. The reversal of 6450849 is 9480546.

6450849 is a `hidden beast` number, since 645 + 0 + 8 + 4 + 9 = 666.

It is not a de Polignac number, because 6450849 - 2³ = 6450841 is a prime.

It is a super-2 number, since 2×6450849² = 83226905641602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6450841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (780000).

Almost surely, 2^6450849 is an apocalyptic number.

It is an amenable number.

6450849 is a deficient number, since it is larger than the sum of its proper divisors (2909151).

6450849 is a wasteful number, since it uses less digits than its factorization.

6450849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6450849 is about 2539.8521610519. The cubic root of 6450849 is about 186.1539654753.

The spelling of 6450849 in words is "six million, four hundred fifty thousand, eight hundred forty-nine".