6409085 has 8 divisors (see below), whose sum is σ = 8143416. Its totient is φ = 4825600.

The previous prime is 6409063. The next prime is 6409093. The reversal of 6409085 is 5809046.

It can be written as a sum of positive squares in 4 ways, for example, as 942841 + 5466244 = 971^2 + 2338^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-6409085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37616 + ... + 37785.

It is an arithmetic number, because the mean of its divisors is an integer number (1017927).

Almost surely, 2^6409085 is an apocalyptic number.

It is an amenable number.

6409085 is a deficient number, since it is larger than the sum of its proper divisors (1734331).

6409085 is a wasteful number, since it uses less digits than its factorization.

6409085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75423.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6409085 is about 2531.6170721497. The cubic root of 6409085 is about 185.7513635465.

The spelling of 6409085 in words is "six million, four hundred nine thousand, eighty-five".