6538743 has 6 divisors (see below), whose sum is σ = 9444864. Its totient is φ = 4359156.

The previous prime is 6538723. The next prime is 6538747. The reversal of 6538743 is 3478356.

It is a happy number.

It is not a de Polignac number, because 6538743 - 2⁵ = 6538711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6538698 and 6538707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538747) 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, 363255 + ... + 363272.

It is an arithmetic number, because the mean of its divisors is an integer number (1574144).

Almost surely, 2^6538743 is an apocalyptic number.

6538743 is a deficient number, since it is larger than the sum of its proper divisors (2906121).

6538743 is a wasteful number, since it uses less digits than its factorization.

6538743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726533 (or 726530 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 6538743 is about 2557.0965957507. The cubic root of 6538743 is about 186.9956150611.

The spelling of 6538743 in words is "six million, five hundred thirty-eight thousand, seven hundred forty-three".