6456843 has 6 divisors (see below), whose sum is σ = 9326564. Its totient is φ = 4304556.

The previous prime is 6456823. The next prime is 6456851. The reversal of 6456843 is 3486546.

6456843 is a `hidden beast` number, since 645 + 6 + 8 + 4 + 3 = 666.

It is not a de Polignac number, because 6456843 - 2¹⁴ = 6440459 is a prime.

It is a Duffinian number.

6456843 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6456798 and 6456807.

It is not an unprimeable number, because it can be changed into a prime (6456823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358705 + ... + 358722.

Almost surely, 2^6456843 is an apocalyptic number.

6456843 is a deficient number, since it is larger than the sum of its proper divisors (2869721).

6456843 is a wasteful number, since it uses less digits than its factorization.

6456843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717433 (or 717430 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 6456843 is about 2541.0318770137. The cubic root of 6456843 is about 186.2116044751.

The spelling of 6456843 in words is "six million, four hundred fifty-six thousand, eight hundred forty-three".