829683638 has 16 divisors (see below), whose sum is σ = 1428585984. Its totient is φ = 354010920.

The previous prime is 829683619. The next prime is 829683689. The reversal of 829683638 is 836386928.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 829683638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127358 + ... + 133713.

It is an arithmetic number, because the mean of its divisors is an integer number (89286624).

Almost surely, 2^829683638 is an apocalyptic number.

829683638 is a deficient number, since it is larger than the sum of its proper divisors (598902346).

829683638 is a wasteful number, since it uses less digits than its factorization.

829683638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261307.

The product of its digits is 2985984, while the sum is 53.

The square root of 829683638 is about 28804.2295158194. The cubic root of 829683638 is about 939.6602204881.

The spelling of 829683638 in words is "eight hundred twenty-nine million, six hundred eighty-three thousand, six hundred thirty-eight".