6479389 has 8 divisors (see below), whose sum is σ = 7509888. Its totient is φ = 5475120.

The previous prime is 6479387. The next prime is 6479401. The reversal of 6479389 is 9839746.

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

It is not a de Polignac number, because 6479389 - 2¹ = 6479387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6022 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (938736).

Almost surely, 2^6479389 is an apocalyptic number.

It is an amenable number.

6479389 is a deficient number, since it is larger than the sum of its proper divisors (1030499).

6479389 is a wasteful number, since it uses less digits than its factorization.

6479389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115.

The product of its digits is 326592, while the sum is 46.

The square root of 6479389 is about 2545.4643977082. The cubic root of 6479389 is about 186.4280905463.

The spelling of 6479389 in words is "six million, four hundred seventy-nine thousand, three hundred eighty-nine".