6455843 has 4 divisors (see below), whose sum is σ = 6664128. Its totient is φ = 6247560.

The previous prime is 6455837. The next prime is 6455857. The reversal of 6455843 is 3485546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3485546 = 2 ⋅1742773.

It is a cyclic number.

It is not a de Polignac number, because 6455843 - 2⁸ = 6455587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6455833) 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, 104096 + ... + 104157.

It is an arithmetic number, because the mean of its divisors is an integer number (1666032).

Almost surely, 2^6455843 is an apocalyptic number.

6455843 is a deficient number, since it is larger than the sum of its proper divisors (208285).

6455843 is a wasteful number, since it uses less digits than its factorization.

6455843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208284.

The product of its digits is 57600, while the sum is 35.

The square root of 6455843 is about 2540.8350989389. The cubic root of 6455843 is about 186.2019908389.

The spelling of 6455843 in words is "six million, four hundred fifty-five thousand, eight hundred forty-three".