6430085 has 4 divisors (see below), whose sum is σ = 7716108. Its totient is φ = 5144064.

The previous prime is 6430079. The next prime is 6430111. The reversal of 6430085 is 5800346.

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 4218916 + 2211169 = 2054^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 6430085 - 2⁴ = 6430069 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 3 ways as a sum of consecutive naturals, for example, 643004 + ... + 643013.

It is an arithmetic number, because the mean of its divisors is an integer number (1929027).

Almost surely, 2^6430085 is an apocalyptic number.

It is an amenable number.

6430085 is a deficient number, since it is larger than the sum of its proper divisors (1286023).

6430085 is a wasteful number, since it uses less digits than its factorization.

6430085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286022.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6430085 is about 2535.7612269297. The cubic root of 6430085 is about 185.9540199290.

The spelling of 6430085 in words is "six million, four hundred thirty thousand, eighty-five".