6449806 has 8 divisors (see below), whose sum is σ = 10554264. Its totient is φ = 2931720.

The previous prime is 6449791. The next prime is 6449827. The reversal of 6449806 is 6089446.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 146565 + ... + 146608.

It is an arithmetic number, because the mean of its divisors is an integer number (1319283).

Almost surely, 2^6449806 is an apocalyptic number.

6449806 is a deficient number, since it is larger than the sum of its proper divisors (4104458).

6449806 is a wasteful number, since it uses less digits than its factorization.

6449806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293186.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6449806 is about 2539.6468258402. The cubic root of 6449806 is about 186.1439322197.

The spelling of 6449806 in words is "six million, four hundred forty-nine thousand, eight hundred six".