6486491 has 4 divisors (see below), whose sum is σ = 7076184. Its totient is φ = 5896800.

The previous prime is 6486479. The next prime is 6486499. The reversal of 6486491 is 1946846.

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

It is a cyclic number.

It is not a de Polignac number, because 6486491 - 2⁶ = 6486427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6486499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294830 + ... + 294851.

It is an arithmetic number, because the mean of its divisors is an integer number (1769046).

Almost surely, 2^6486491 is an apocalyptic number.

6486491 is a deficient number, since it is larger than the sum of its proper divisors (589693).

6486491 is a wasteful number, since it uses less digits than its factorization.

6486491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589692.

The product of its digits is 41472, while the sum is 38.

The square root of 6486491 is about 2546.8590459623. The cubic root of 6486491 is about 186.4961797261.

The spelling of 6486491 in words is "six million, four hundred eighty-six thousand, four hundred ninety-one".