812798 has 8 divisors (see below), whose sum is σ = 1393392. Its totient is φ = 348336.

The previous prime is 812761. The next prime is 812807. The reversal of 812798 is 897218.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29015 + ... + 29042.

It is an arithmetic number, because the mean of its divisors is an integer number (174174).

2⁸¹²⁷⁹⁸ is an apocalyptic number.

812798 is a deficient number, since it is larger than the sum of its proper divisors (580594).

812798 is a wasteful number, since it uses less digits than its factorization.

812798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58066.

The product of its digits is 8064, while the sum is 35.

The square root of 812798 is about 901.5531043705. The cubic root of 812798 is about 93.3241856114.

The spelling of 812798 in words is "eight hundred twelve thousand, seven hundred ninety-eight".