828859 has 2 divisors, whose sum is σ = 828860. Its totient is φ = 828858.

The previous prime is 828833. The next prime is 828871. The reversal of 828859 is 958828.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 828859 - 2⁷ = 828731 is a prime.

It is not a weakly prime, because it can be changed into another prime (828809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414429 + 414430.

It is an arithmetic number, because the mean of its divisors is an integer number (414430).

2⁸²⁸⁸⁵⁹ is an apocalyptic number.

828859 is a deficient number, since it is larger than the sum of its proper divisors (1).

828859 is an equidigital number, since it uses as much as digits as its factorization.

828859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 40.

The square root of 828859 is about 910.4169374523. The cubic root of 828859 is about 93.9348802033.

The spelling of 828859 in words is "eight hundred twenty-eight thousand, eight hundred fifty-nine".