79898 has 16 divisors (see below), whose sum is σ = 147840. Its totient is φ = 31536.

The previous prime is 79889. The next prime is 79901. The reversal of 79898 is 89897.

It is a congruent number.

It is an unprimeable number.

79898 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 7 ways as a sum of consecutive naturals, for example, 38 + ... + 401.

It is an arithmetic number, because the mean of its divisors is an integer number (9240).

2⁷⁹⁸⁹⁸ is an apocalyptic number.

79898 is a deficient number, since it is larger than the sum of its proper divisors (67942).

79898 is a wasteful number, since it uses less digits than its factorization.

79898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 36288, while the sum is 41.

The square root of 79898 is about 282.6623427342. The cubic root of 79898 is about 43.0703733174.

Subtracting 79898 from its reverse (89897), we obtain a palindrome (9999).

It can be divided in two parts, 7989 and 8, that added together give a palindrome (7997).

The spelling of 79898 in words is "seventy-nine thousand, eight hundred ninety-eight".