6478929 has 12 divisors (see below), whose sum is σ = 9427600. Its totient is φ = 4287384.

The previous prime is 6478891. The next prime is 6478931. The reversal of 6478929 is 9298746.

It is a happy number.

It is not a de Polignac number, because 6478929 - 2⁸ = 6478673 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4⁹ + 7⁷ + 8⁵ + 9⁴ + 2¹⁹ + 9⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478949) 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 11 ways as a sum of consecutive naturals, for example, 1339 + ... + 3840.

Almost surely, 2^6478929 is an apocalyptic number.

It is an amenable number.

6478929 is a deficient number, since it is larger than the sum of its proper divisors (2948671).

6478929 is a wasteful number, since it uses less digits than its factorization.

6478929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324 (or 5321 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 6478929 is about 2545.3740393113. The cubic root of 6478929 is about 186.4236786616.

The spelling of 6478929 in words is "six million, four hundred seventy-eight thousand, nine hundred twenty-nine".