864798 has 16 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 262040.

The previous prime is 864793. The next prime is 864803. The reversal of 864798 is 897468.

It is a happy number.

864798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (864793) and next prime (864803).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 864798.

It is not an unprimeable number, because it can be changed into a prime (864793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6486 + ... + 6617.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

2⁸⁶⁴⁷⁹⁸ is an apocalyptic number.

864798 is an abundant number, since it is smaller than the sum of its proper divisors (1022178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864798 is a wasteful number, since it uses less digits than its factorization.

864798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119.

The product of its digits is 96768, while the sum is 42.

The square root of 864798 is about 929.9451596734. The cubic root of 864798 is about 95.2733769201.

It can be divided in two parts, 86 and 4798, that added together give a palindrome (4884).

The spelling of 864798 in words is "eight hundred sixty-four thousand, seven hundred ninety-eight".