6490843 has 4 divisors (see below), whose sum is σ = 6542080. Its totient is φ = 6439608.

The previous prime is 6490831. The next prime is 6490871. The reversal of 6490843 is 3480946.

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 6490843 - 2⁹ = 6490331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6490799 and 6490808.

It is not an unprimeable number, because it can be changed into a prime (6490543) 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, 25428 + ... + 25681.

It is an arithmetic number, because the mean of its divisors is an integer number (1635520).

Almost surely, 2^6490843 is an apocalyptic number.

6490843 is a deficient number, since it is larger than the sum of its proper divisors (51237).

6490843 is a wasteful number, since it uses less digits than its factorization.

6490843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51236.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6490843 is about 2547.7132884216. The cubic root of 6490843 is about 186.5378792071.

The spelling of 6490843 in words is "six million, four hundred ninety thousand, eight hundred forty-three".