828811 has 2 divisors, whose sum is σ = 828812. Its totient is φ = 828810.

The previous prime is 828809. The next prime is 828823. The reversal of 828811 is 118828.

828811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828811 - 2¹ = 828809 is a prime.

Together with 828809, it forms a pair of twin primes.

828811 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 828811.

It is not a weakly prime, because it can be changed into another prime (828871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414405 + 414406.

It is an arithmetic number, because the mean of its divisors is an integer number (414406).

2⁸²⁸⁸¹¹ is an apocalyptic number.

828811 is a deficient number, since it is larger than the sum of its proper divisors (1).

828811 is an equidigital number, since it uses as much as digits as its factorization.

828811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 28.

The square root of 828811 is about 910.3905755224. The cubic root of 828811 is about 93.9330668828.

The spelling of 828811 in words is "eight hundred twenty-eight thousand, eight hundred eleven".