829385538 has 32 divisors (see below), whose sum is σ = 1703661120. Its totient is φ = 269073600.

The previous prime is 829385537. The next prime is 829385567. The reversal of 829385538 is 835583928.

It is not an unprimeable number, because it can be changed into a prime (829385537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24156 + ... + 47352.

It is an arithmetic number, because the mean of its divisors is an integer number (53239410).

Almost surely, 2^829385538 is an apocalyptic number.

829385538 is an abundant number, since it is smaller than the sum of its proper divisors (874275582).

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

829385538 is a wasteful number, since it uses less digits than its factorization.

829385538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23362.

The product of its digits is 2073600, while the sum is 51.

The square root of 829385538 is about 28799.0544636452. The cubic root of 829385538 is about 939.5476690476.

The spelling of 829385538 in words is "eight hundred twenty-nine million, three hundred eighty-five thousand, five hundred thirty-eight".