6498726 has 64 divisors (see below), whose sum is σ = 15422400. Its totient is φ = 1817088.

The previous prime is 6498721. The next prime is 6498727. The reversal of 6498726 is 6278946.

It is an Ulam number.

Its product of digits (145152) is a multiple of the sum of its prime divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6498721) 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 31 ways as a sum of consecutive naturals, for example, 224080 + ... + 224108.

It is an arithmetic number, because the mean of its divisors is an integer number (240975).

Almost surely, 2^6498726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6498726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7711200).

6498726 is an abundant number, since it is smaller than the sum of its proper divisors (8923674).

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

6498726 is a wasteful number, since it uses less digits than its factorization.

6498726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 64 counting only the distinct ones).

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

The square root of 6498726 is about 2549.2598925963. The cubic root of 6498726 is about 186.6133641744.

It can be divided in two parts, 64 and 98726, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 6498726 in words is "six million, four hundred ninety-eight thousand, seven hundred twenty-six".