6455849 has 4 divisors (see below), whose sum is σ = 6463236. Its totient is φ = 6448464.

The previous prime is 6455837. The next prime is 6455857. The reversal of 6455849 is 9485546.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2016400 + 4439449 = 1420^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 6455849 - 2⁴ = 6455833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6455879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (1615809).

Almost surely, 2^6455849 is an apocalyptic number.

It is an amenable number.

6455849 is a deficient number, since it is larger than the sum of its proper divisors (7387).

6455849 is a wasteful number, since it uses less digits than its factorization.

6455849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386.

The product of its digits is 172800, while the sum is 41.

The square root of 6455849 is about 2540.8362796528. The cubic root of 6455849 is about 186.2020485237.

The spelling of 6455849 in words is "six million, four hundred fifty-five thousand, eight hundred forty-nine".