829841 has 2 divisors, whose sum is σ = 829842. Its totient is φ = 829840.

The previous prime is 829831. The next prime is 829847. The reversal of 829841 is 148928.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 10816 = 905^2 + 104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-829841 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 829798 and 829807.

It is not a weakly prime, because it can be changed into another prime (829847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414920 + 414921.

It is an arithmetic number, because the mean of its divisors is an integer number (414921).

2⁸²⁹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

829841 is a deficient number, since it is larger than the sum of its proper divisors (1).

829841 is an equidigital number, since it uses as much as digits as its factorization.

829841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 32.

The square root of 829841 is about 910.9560911482. The cubic root of 829841 is about 93.9719623638.

The spelling of 829841 in words is "eight hundred twenty-nine thousand, eight hundred forty-one".