6486943 has 8 divisors (see below), whose sum is σ = 6847200. Its totient is φ = 6133248.

The previous prime is 6486941. The next prime is 6486947. The reversal of 6486943 is 3496846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 9-Lehmer number, since φ(6486943) divides (6486943-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 6486943 - 2¹ = 6486941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6486896 and 6486905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (855900).

Almost surely, 2^6486943 is an apocalyptic number.

6486943 is a deficient number, since it is larger than the sum of its proper divisors (360257).

6486943 is a wasteful number, since it uses less digits than its factorization.

6486943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its digits is 124416, while the sum is 40.

The square root of 6486943 is about 2546.9477811687. The cubic root of 6486943 is about 186.5005115143.

The spelling of 6486943 in words is "six million, four hundred eighty-six thousand, nine hundred forty-three".