6105985 has 4 divisors (see below), whose sum is σ = 7327188. Its totient is φ = 4884784.

The previous prime is 6105959. The next prime is 6105997. The reversal of 6105985 is 5895016.

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 2169729 + 3936256 = 1473^2 + 1984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6105985 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 6105985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610594 + ... + 610603.

It is an arithmetic number, because the mean of its divisors is an integer number (1831797).

Almost surely, 2^6105985 is an apocalyptic number.

It is an amenable number.

6105985 is a deficient number, since it is larger than the sum of its proper divisors (1221203).

6105985 is a wasteful number, since it uses less digits than its factorization.

6105985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221202.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 6105985 is about 2471.0291378290. The cubic root of 6105985 is about 182.7757512760.

The spelling of 6105985 in words is "six million, one hundred five thousand, nine hundred eighty-five".