6542858 has 32 divisors (see below), whose sum is σ = 12213504. Its totient is φ = 2564352.

The previous prime is 6542857. The next prime is 6542867. The reversal of 6542858 is 8582456.

It is a d-powerful number, because it can be written as 6⁸ + 5⁶ + 4¹¹ + 2⁵ + 8³ + 5⁸ + 8⁶ .

It is not an unprimeable number, because it can be changed into a prime (6542857) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8435 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 2^6542858 is an apocalyptic number.

6542858 is a deficient number, since it is larger than the sum of its proper divisors (5670646).

6542858 is a wasteful number, since it uses less digits than its factorization.

6542858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its digits is 76800, while the sum is 38.

The square root of 6542858 is about 2557.9010926930. The cubic root of 6542858 is about 187.0348338933.

The spelling of 6542858 in words is "six million, five hundred forty-two thousand, eight hundred fifty-eight".