825683684 has 24 divisors (see below), whose sum is σ = 1738282560. Its totient is φ = 335239776.

The previous prime is 825683681. The next prime is 825683713. The reversal of 825683684 is 486386528.

It is not an unprimeable number, because it can be changed into a prime (825683681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775487 + ... + 776550.

It is an arithmetic number, because the mean of its divisors is an integer number (72428440).

Almost surely, 2^825683684 is an apocalyptic number.

It is an amenable number.

825683684 is an abundant number, since it is smaller than the sum of its proper divisors (912598876).

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

825683684 is a wasteful number, since it uses less digits than its factorization.

825683684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552067 (or 1552065 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 825683684 is about 28734.7121788265. The cubic root of 825683684 is about 938.1477347422.

The spelling of 825683684 in words is "eight hundred twenty-five million, six hundred eighty-three thousand, six hundred eighty-four".