842829 has 8 divisors (see below), whose sum is σ = 1210272. Its totient is φ = 518640.

The previous prime is 842819. The next prime is 842857. The reversal of 842829 is 928248.

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

It is not a de Polignac number, because 842829 - 2⁴ = 842813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842829.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842829.

It is not an unprimeable number, because it can be changed into a prime (842819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10767 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (151284).

2⁸⁴²⁸²⁹ is an apocalyptic number.

It is an amenable number.

842829 is a deficient number, since it is larger than the sum of its proper divisors (367443).

842829 is a wasteful number, since it uses less digits than its factorization.

842829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21627.

The product of its digits is 9216, while the sum is 33.

The square root of 842829 is about 918.0571877612. The cubic root of 842829 is about 94.4596843791.

The spelling of 842829 in words is "eight hundred forty-two thousand, eight hundred twenty-nine".