6304649 has 8 divisors (see below), whose sum is σ = 6835080. Its totient is φ = 5780736.

The previous prime is 6304631. The next prime is 6304651. The reversal of 6304649 is 9464036.

It can be written as a sum of positive squares in 4 ways, for example, as 697225 + 5607424 = 835^2 + 2368^2 .

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

It is not a de Polignac number, because 6304649 - 2¹⁶ = 6239113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6304619) 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, 497 + ... + 3585.

It is an arithmetic number, because the mean of its divisors is an integer number (854385).

Almost surely, 2^6304649 is an apocalyptic number.

It is an amenable number.

6304649 is a deficient number, since it is larger than the sum of its proper divisors (530431).

6304649 is a wasteful number, since it uses less digits than its factorization.

6304649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 6304649 is about 2510.9060117814. The cubic root of 6304649 is about 184.7368940685.

The spelling of 6304649 in words is "six million, three hundred four thousand, six hundred forty-nine".