829406826 has 12 divisors (see below), whose sum is σ = 1797048162. Its totient is φ = 276468936.

The previous prime is 829406821. The next prime is 829406827. The reversal of 829406826 is 628604928.

It can be written as a sum of positive squares in only one way, i.e., 826850025 + 2556801 = 28755^2 + 1599^2 .

It is not an unprimeable number, because it can be changed into a prime (829406821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23039061 + ... + 23039096.

Almost surely, 2^829406826 is an apocalyptic number.

829406826 is an abundant number, since it is smaller than the sum of its proper divisors (967641336).

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

829406826 is a wasteful number, since it uses less digits than its factorization.

829406826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46078165 (or 46078162 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 829406826 is about 28799.4240567411. The cubic root of 829406826 is about 939.5557074964. Note that the first 3 decimals are identical.

The spelling of 829406826 in words is "eight hundred twenty-nine million, four hundred six thousand, eight hundred twenty-six".