685326500 has 48 divisors (see below), whose sum is σ = 1508322816. Its totient is φ = 272012000.

The previous prime is 685326493. The next prime is 685326503. The reversal of 685326500 is 5623586.

It is not an unprimeable number, because it can be changed into a prime (685326503) 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 15 ways as a sum of consecutive naturals, for example, 60269 + ... + 70731.

It is an arithmetic number, because the mean of its divisors is an integer number (31423392).

Almost surely, 2^685326500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685326500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754161408).

685326500 is an abundant number, since it is smaller than the sum of its proper divisors (822996316).

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

685326500 is a wasteful number, since it uses less digits than its factorization.

685326500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613 (or 10601 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 685326500 is about 26178.7413753985. The cubic root of 685326500 is about 881.6560156485.

The spelling of 685326500 in words is "six hundred eighty-five million, three hundred twenty-six thousand, five hundred".