6305985 has 32 divisors (see below), whose sum is σ = 12814080. Its totient is φ = 2882304.

The previous prime is 6305983. The next prime is 6305987. The reversal of 6305985 is 5895036.

6305985 is a `hidden beast` number, since 63 + 0 + 598 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (6305983) and next prime (6305987).

It is not a de Polignac number, because 6305985 - 2¹ = 6305983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6305983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2392 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (400440).

Almost surely, 2^6305985 is an apocalyptic number.

It is an amenable number.

6305985 is an abundant number, since it is smaller than the sum of its proper divisors (6508095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6305985 is a wasteful number, since it uses less digits than its factorization.

6305985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694 (or 6688 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6305985 is about 2511.1720371173. The cubic root of 6305985 is about 184.7499421679.

The spelling of 6305985 in words is "six million, three hundred five thousand, nine hundred eighty-five".