828797 has 2 divisors, whose sum is σ = 828798. Its totient is φ = 828796.

The previous prime is 828787. The next prime is 828809. The reversal of 828797 is 797828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 391876 = 661^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 828797 - 2¹² = 824701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414398 + 414399.

It is an arithmetic number, because the mean of its divisors is an integer number (414399).

2⁸²⁸⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

828797 is a deficient number, since it is larger than the sum of its proper divisors (1).

828797 is an equidigital number, since it uses as much as digits as its factorization.

828797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 41.

The square root of 828797 is about 910.3828864824. The cubic root of 828797 is about 93.9325379844.

The spelling of 828797 in words is "eight hundred twenty-eight thousand, seven hundred ninety-seven".