86798 has 4 divisors (see below), whose sum is σ = 130200. Its totient is φ = 43398.

The previous prime is 86783. The next prime is 86813. The reversal of 86798 is 89768.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86783) and next prime (86813).

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21698 + ... + 21701.

It is an arithmetic number, because the mean of its divisors is an integer number (32550).

2⁸⁶⁷⁹⁸ is an apocalyptic number.

86798 is a deficient number, since it is larger than the sum of its proper divisors (43402).

86798 is a wasteful number, since it uses less digits than its factorization.

86798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43401.

The product of its digits is 24192, while the sum is 38.

The square root of 86798 is about 294.6150030124. The cubic root of 86798 is about 44.2761557092.

The spelling of 86798 in words is "eighty-six thousand, seven hundred ninety-eight".