6479843 has 4 divisors (see below), whose sum is σ = 6617760. Its totient is φ = 6341928.

The previous prime is 6479831. The next prime is 6479897. The reversal of 6479843 is 3489746.

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

It is a cyclic number.

It is not a de Polignac number, because 6479843 - 2⁴ = 6479827 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 4² + 7³ + 9⁷ + 8³ + 4⁷ + 3 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6479843.

It is not an unprimeable number, because it can be changed into a prime (6479743) 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, 68888 + ... + 68981.

It is an arithmetic number, because the mean of its divisors is an integer number (1654440).

Almost surely, 2^6479843 is an apocalyptic number.

6479843 is a deficient number, since it is larger than the sum of its proper divisors (137917).

6479843 is a wasteful number, since it uses less digits than its factorization.

6479843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137916.

The product of its digits is 145152, while the sum is 41.

The square root of 6479843 is about 2545.5535743724. The cubic root of 6479843 is about 186.4324446799.

The spelling of 6479843 in words is "six million, four hundred seventy-nine thousand, eight hundred forty-three".