6487874 has 4 divisors (see below), whose sum is σ = 9731814. Its totient is φ = 3243936.

The previous prime is 6487849. The next prime is 6487879. The reversal of 6487874 is 4787846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 21025 = 2543^2 + 145^2 .

It is not an unprimeable number, because it can be changed into a prime (6487879) by changing a digit.

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 as a sum of consecutive naturals, namely, 1621967 + ... + 1621970.

Almost surely, 2^6487874 is an apocalyptic number.

6487874 is a deficient number, since it is larger than the sum of its proper divisors (3243940).

6487874 is a wasteful number, since it uses less digits than its factorization.

6487874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243939.

The product of its digits is 301056, while the sum is 44.

The square root of 6487874 is about 2547.1305423947. The cubic root of 6487874 is about 186.5094332139.

The spelling of 6487874 in words is "six million, four hundred eighty-seven thousand, eight hundred seventy-four".