797828 has 6 divisors (see below), whose sum is σ = 1396206. Its totient is φ = 398912.

The previous prime is 797813. The next prime is 797833. The reversal of 797828 is 828797.

It can be written as a sum of positive squares in only one way, i.e., 565504 + 232324 = 752^2 + 482^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99725 + ... + 99732.

It is an arithmetic number, because the mean of its divisors is an integer number (232701).

2⁷⁹⁷⁸²⁸ is an apocalyptic number.

It is an amenable number.

797828 is a deficient number, since it is larger than the sum of its proper divisors (598378).

797828 is a wasteful number, since it uses less digits than its factorization.

797828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199461 (or 199459 counting only the distinct ones).

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

The square root of 797828 is about 893.2121808395. The cubic root of 797828 is about 92.7476877679.

The spelling of 797828 in words is "seven hundred ninety-seven thousand, eight hundred twenty-eight".