829838 has 8 divisors (see below), whose sum is σ = 1318032. Its totient is φ = 390496.

The previous prime is 829831. The next prime is 829841. The reversal of 829838 is 838928.

829838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×829838² = 1377262212488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829831) by changing a digit.

829838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12170 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (164754).

2⁸²⁹⁸³⁸ is an apocalyptic number.

829838 is a deficient number, since it is larger than the sum of its proper divisors (488194).

829838 is a wasteful number, since it uses less digits than its factorization.

829838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24426.

The product of its digits is 27648, while the sum is 38.

The square root of 829838 is about 910.9544445251. The cubic root of 829838 is about 93.9718491227.

The spelling of 829838 in words is "eight hundred twenty-nine thousand, eight hundred thirty-eight".