6477843 has 4 divisors (see below), whose sum is σ = 8637128. Its totient is φ = 4318560.

The previous prime is 6477829. The next prime is 6477847. The reversal of 6477843 is 3487746.

It is a happy number.

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

It is not a de Polignac number, because 6477843 - 2⁵ = 6477811 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6477847) 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, 1079638 + ... + 1079643.

It is an arithmetic number, because the mean of its divisors is an integer number (2159282).

Almost surely, 2^6477843 is an apocalyptic number.

6477843 is a deficient number, since it is larger than the sum of its proper divisors (2159285).

6477843 is a wasteful number, since it uses less digits than its factorization.

6477843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159284.

The product of its digits is 112896, while the sum is 39.

The square root of 6477843 is about 2545.1607021954. The cubic root of 6477843 is about 186.4132619488.

The spelling of 6477843 in words is "six million, four hundred seventy-seven thousand, eight hundred forty-three".