6478049 has 4 divisors (see below), whose sum is σ = 6701460. Its totient is φ = 6254640.

The previous prime is 6478033. The next prime is 6478061. The reversal of 6478049 is 9408746.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9408746 = 2 ⋅4704373.

It can be written as a sum of positive squares in 2 ways, for example, as 3478225 + 2999824 = 1865^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 6478049 - 2⁴ = 6478033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478009) 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 3 ways as a sum of consecutive naturals, for example, 111662 + ... + 111719.

It is an arithmetic number, because the mean of its divisors is an integer number (1675365).

Almost surely, 2^6478049 is an apocalyptic number.

It is an amenable number.

6478049 is a deficient number, since it is larger than the sum of its proper divisors (223411).

6478049 is a wasteful number, since it uses less digits than its factorization.

6478049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223410.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6478049 is about 2545.2011708311. The cubic root of 6478049 is about 186.4152379525.

The spelling of 6478049 in words is "six million, four hundred seventy-eight thousand, forty-nine".