6446849 has 8 divisors (see below), whose sum is σ = 6677760. Its totient is φ = 6219936.

The previous prime is 6446801. The next prime is 6446851. The reversal of 6446849 is 9486446.

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 6446849 - 2⁸ = 6446593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6445849) 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, 2492 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (834720).

Almost surely, 2^6446849 is an apocalyptic number.

It is an amenable number.

6446849 is a deficient number, since it is larger than the sum of its proper divisors (230911).

6446849 is a wasteful number, since it uses less digits than its factorization.

6446849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its digits is 165888, while the sum is 41.

The square root of 6446849 is about 2539.0645915376. The cubic root of 6446849 is about 186.1154811446.

The spelling of 6446849 in words is "six million, four hundred forty-six thousand, eight hundred forty-nine".