6426385 has 8 divisors (see below), whose sum is σ = 8813376. Its totient is φ = 4406640.

The previous prime is 6426383. The next prime is 6426397. The reversal of 6426385 is 5836246.

It is a happy number.

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

It is not a de Polignac number, because 6426385 - 2¹ = 6426383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6426385.

It is not an unprimeable number, because it can be changed into a prime (6426383) 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, 91771 + ... + 91840.

It is an arithmetic number, because the mean of its divisors is an integer number (1101672).

Almost surely, 2^6426385 is an apocalyptic number.

It is an amenable number.

6426385 is a deficient number, since it is larger than the sum of its proper divisors (2386991).

6426385 is a wasteful number, since it uses less digits than its factorization.

6426385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183623.

The product of its digits is 34560, while the sum is 34.

The square root of 6426385 is about 2535.0315579890. The cubic root of 6426385 is about 185.9183458602.

The spelling of 6426385 in words is "six million, four hundred twenty-six thousand, three hundred eighty-five".