6486457 has 4 divisors (see below), whose sum is σ = 6492240. Its totient is φ = 6480676.

The previous prime is 6486443. The next prime is 6486461. The reversal of 6486457 is 7546846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6486457 - 2¹¹ = 6484409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6486407) 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, 607 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (1623060).

Almost surely, 2^6486457 is an apocalyptic number.

It is an amenable number.

6486457 is a deficient number, since it is larger than the sum of its proper divisors (5783).

6486457 is a wasteful number, since it uses less digits than its factorization.

6486457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782.

The product of its digits is 161280, while the sum is 40.

The square root of 6486457 is about 2546.8523710651. The cubic root of 6486457 is about 186.4958538755.

The spelling of 6486457 in words is "six million, four hundred eighty-six thousand, four hundred fifty-seven".