6487946 has 4 divisors (see below), whose sum is σ = 9731922. Its totient is φ = 3243972.

The previous prime is 6487939. The next prime is 6487951. The reversal of 6487946 is 6497846.

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., 5784025 + 703921 = 2405^2 + 839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6487897 and 6487906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621985 + ... + 1621988.

Almost surely, 2^6487946 is an apocalyptic number.

6487946 is a deficient number, since it is larger than the sum of its proper divisors (3243976).

6487946 is a wasteful number, since it uses less digits than its factorization.

6487946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243975.

The product of its digits is 290304, while the sum is 44.

The square root of 6487946 is about 2547.1446759067. The cubic root of 6487946 is about 186.5101231487.

The spelling of 6487946 in words is "six million, four hundred eighty-seven thousand, nine hundred forty-six".