826329620 has 12 divisors (see below), whose sum is σ = 1735292244. Its totient is φ = 330531840.

The previous prime is 826329619. The next prime is 826329629. The reversal of 826329620 is 26923628.

It can be written as a sum of positive squares in 2 ways, for example, as 278956804 + 547372816 = 16702^2 + 23396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826329629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20658221 + ... + 20658260.

It is an arithmetic number, because the mean of its divisors is an integer number (144607687).

Almost surely, 2^826329620 is an apocalyptic number.

It is an amenable number.

826329620 is an abundant number, since it is smaller than the sum of its proper divisors (908962624).

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

826329620 is a wasteful number, since it uses less digits than its factorization.

826329620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41316490 (or 41316488 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 826329620 is about 28745.9496277302. The cubic root of 826329620 is about 938.3923100174.

The spelling of 826329620 in words is "eight hundred twenty-six million, three hundred twenty-nine thousand, six hundred twenty".