6486858 has 48 divisors (see below), whose sum is σ = 16601280. Its totient is φ = 1839240.

The previous prime is 6486841. The next prime is 6486869. The reversal of 6486858 is 8586846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49453 + ... + 49583.

It is an arithmetic number, because the mean of its divisors is an integer number (345860).

Almost surely, 2^6486858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6486858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8300640).

6486858 is an abundant number, since it is smaller than the sum of its proper divisors (10114422).

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

6486858 is a wasteful number, since it uses less digits than its factorization.

6486858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 143 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 6486858 is about 2546.9310944743. The cubic root of 6486858 is about 186.4996969235.

The spelling of 6486858 in words is "six million, four hundred eighty-six thousand, eight hundred fifty-eight".