826079644 has 48 divisors (see below), whose sum is σ = 1678834080. Its totient is φ = 352373760.

The previous prime is 826079633. The next prime is 826079647. The reversal of 826079644 is 446970628.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 826079594 and 826079603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826079647) 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 15 ways as a sum of consecutive naturals, for example, 30312 + ... + 50704.

It is an arithmetic number, because the mean of its divisors is an integer number (34975710).

Almost surely, 2^826079644 is an apocalyptic number.

It is an amenable number.

826079644 is an abundant number, since it is smaller than the sum of its proper divisors (852754436).

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

826079644 is a wasteful number, since it uses less digits than its factorization.

826079644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470 (or 20468 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 826079644 is about 28741.6012775906. The cubic root of 826079644 is about 938.2976749757.

The spelling of 826079644 in words is "eight hundred twenty-six million, seventy-nine thousand, six hundred forty-four".