6424085 has 8 divisors (see below), whose sum is σ = 7897176. Its totient is φ = 5013760.

The previous prime is 6424069. The next prime is 6424087. The reversal of 6424085 is 5804246.

It can be written as a sum of positive squares in 4 ways, for example, as 654481 + 5769604 = 809^2 + 2402^2 .

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

It is not a de Polignac number, because 6424085 - 2⁴ = 6424069 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 4⁴ + 2¹⁷ + 4¹¹ + 0 + 8⁷ + 5 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424087) 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, 15464 + ... + 15873.

It is an arithmetic number, because the mean of its divisors is an integer number (987147).

Almost surely, 2^6424085 is an apocalyptic number.

It is an amenable number.

6424085 is a deficient number, since it is larger than the sum of its proper divisors (1473091).

6424085 is a wasteful number, since it uses less digits than its factorization.

6424085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31383.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 6424085 is about 2534.5778741242. The cubic root of 6424085 is about 185.8961631857.

The spelling of 6424085 in words is "six million, four hundred twenty-four thousand, eighty-five".