6496728 has 32 divisors (see below), whose sum is σ = 18562560. Its totient is φ = 1856160.

The previous prime is 6496717. The next prime is 6496729. The reversal of 6496728 is 8276946.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 6⁴ + 4³ + 9⁷ + 6⁸ + 7 + 2¹⁵ + 8 .

It is a self number, because there is not a number n which added to its sum of digits gives 6496728.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19168 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (580080).

Almost surely, 2^6496728 is an apocalyptic number.

It is an amenable number.

6496728 is an abundant number, since it is smaller than the sum of its proper divisors (12065832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6496728 is a wasteful number, since it uses less digits than its factorization.

6496728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38687 (or 38683 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 6496728 is about 2548.8679840274. The cubic root of 6496728 is about 186.5942377734.

The spelling of 6496728 in words is "six million, four hundred ninety-six thousand, seven hundred twenty-eight".