79398 has 24 divisors (see below), whose sum is σ = 188136. Its totient is φ = 24000.

The previous prime is 79397. The next prime is 79399. The reversal of 79398 is 89397.

It is an interprime number because it is at equal distance from previous prime (79397) and next prime (79399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3 + ... + 398.

It is an arithmetic number, because the mean of its divisors is an integer number (7839).

2⁷⁹³⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94068).

79398 is an abundant number, since it is smaller than the sum of its proper divisors (108738).

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

79398 is a wasteful number, since it uses less digits than its factorization.

79398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 417 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 79398 is about 281.7765071826. The cubic root of 79398 is about 42.9803407519.

Subtracting 79398 from its reverse (89397), we obtain a palindrome (9999).

The spelling of 79398 in words is "seventy-nine thousand, three hundred ninety-eight".