6487242 has 32 divisors (see below), whose sum is σ = 14014080. Its totient is φ = 1995840.

The previous prime is 6487223. The next prime is 6487259. The reversal of 6487242 is 2427846.

It is an Ulam number.

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 15 ways as a sum of consecutive naturals, for example, 3192 + ... + 4812.

It is an arithmetic number, because the mean of its divisors is an integer number (437940).

Almost surely, 2^6487242 is an apocalyptic number.

6487242 is an abundant number, since it is smaller than the sum of its proper divisors (7526838).

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

6487242 is a wasteful number, since it uses less digits than its factorization.

6487242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678.

The product of its digits is 21504, while the sum is 33.

The square root of 6487242 is about 2547.0064782014. The cubic root of 6487242 is about 186.5033769008.

Subtracting from 6487242 its sum of digits (33), we obtain a square (6487209 = 2547²).

The spelling of 6487242 in words is "six million, four hundred eighty-seven thousand, two hundred forty-two".