826325646 has 64 divisors (see below), whose sum is σ = 1789931520. Its totient is φ = 253566720.

The previous prime is 826325629. The next prime is 826325683. The reversal of 826325646 is 646523628.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 826325598 and 826325607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996360 + ... + 997188.

It is an arithmetic number, because the mean of its divisors is an integer number (27967680).

Almost surely, 2^826325646 is an apocalyptic number.

826325646 is an abundant number, since it is smaller than the sum of its proper divisors (963605874).

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

826325646 is a wasteful number, since it uses less digits than its factorization.

826325646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its digits is 414720, while the sum is 42.

The square root of 826325646 is about 28745.8805048654. The cubic root of 826325646 is about 938.3908057037.

The spelling of 826325646 in words is "eight hundred twenty-six million, three hundred twenty-five thousand, six hundred forty-six".