829013620 has 12 divisors (see below), whose sum is σ = 1740928644. Its totient is φ = 331605440.

The previous prime is 829013611. The next prime is 829013621. The reversal of 829013620 is 26310928.

It can be written as a sum of positive squares in 2 ways, for example, as 101848464 + 727165156 = 10092^2 + 26966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829013621) 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 3 ways as a sum of consecutive naturals, for example, 20725321 + ... + 20725360.

It is an arithmetic number, because the mean of its divisors is an integer number (145077387).

Almost surely, 2^829013620 is an apocalyptic number.

It is an amenable number.

829013620 is an abundant number, since it is smaller than the sum of its proper divisors (911915024).

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

829013620 is a wasteful number, since it uses less digits than its factorization.

829013620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41450690 (or 41450688 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 829013620 is about 28792.5966178808. The cubic root of 829013620 is about 939.4072088639.

The spelling of 829013620 in words is "eight hundred twenty-nine million, thirteen thousand, six hundred twenty".