6496739 has 4 divisors (see below), whose sum is σ = 6524856. Its totient is φ = 6468624.

The previous prime is 6496729. The next prime is 6496747. The reversal of 6496739 is 9376946.

6496739 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6496739 - 2¹² = 6492643 is a prime.

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 6496739.

It is not an unprimeable number, because it can be changed into a prime (6496729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13709 + ... + 14174.

It is an arithmetic number, because the mean of its divisors is an integer number (1631214).

Almost surely, 2^6496739 is an apocalyptic number.

6496739 is a deficient number, since it is larger than the sum of its proper divisors (28117).

6496739 is a wasteful number, since it uses less digits than its factorization.

6496739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28116.

The product of its digits is 244944, while the sum is 44.

The square root of 6496739 is about 2548.8701418472. The cubic root of 6496739 is about 186.5943430846.

The spelling of 6496739 in words is "six million, four hundred ninety-six thousand, seven hundred thirty-nine".