6459385 has 4 divisors (see below), whose sum is σ = 7751268. Its totient is φ = 5167504.

The previous prime is 6459361. The next prime is 6459391. The reversal of 6459385 is 5839546.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 4260096 = 1483^2 + 2064^2 .

It is a cyclic number.

It is not a de Polignac number, because 6459385 - 2¹¹ = 6457337 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645934 + ... + 645943.

It is an arithmetic number, because the mean of its divisors is an integer number (1937817).

Almost surely, 2^6459385 is an apocalyptic number.

It is an amenable number.

6459385 is a deficient number, since it is larger than the sum of its proper divisors (1291883).

6459385 is a wasteful number, since it uses less digits than its factorization.

6459385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291882.

The product of its digits is 129600, while the sum is 40.

The square root of 6459385 is about 2541.5320182913. The cubic root of 6459385 is about 186.2360378705.

The spelling of 6459385 in words is "six million, four hundred fifty-nine thousand, three hundred eighty-five".