6426685 has 8 divisors (see below), whose sum is σ = 7787520. Its totient is φ = 5091024.

The previous prime is 6426659. The next prime is 6426689. The reversal of 6426685 is 5866246.

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

It is a cyclic number.

It is not a de Polignac number, because 6426685 - 2⁵ = 6426653 is a prime.

It is a d-powerful number, because it can be written as 6³ + 4¹⁰ + 2¹⁵ + 6⁸ + 6⁸ + 8⁵ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426689) 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, 5725 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (973440).

Almost surely, 2^6426685 is an apocalyptic number.

It is an amenable number.

6426685 is a deficient number, since it is larger than the sum of its proper divisors (1360835).

6426685 is a wasteful number, since it uses less digits than its factorization.

6426685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12587.

The product of its digits is 69120, while the sum is 37.

The square root of 6426685 is about 2535.0907281594. The cubic root of 6426685 is about 185.9212388623.

The spelling of 6426685 in words is "six million, four hundred twenty-six thousand, six hundred eighty-five".