197098 has 24 divisors (see below), whose sum is σ = 353664. Its totient is φ = 81600.

The previous prime is 197089. The next prime is 197101. The reversal of 197098 is 890791.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6343 + ... + 6373.

It is an arithmetic number, because the mean of its divisors is an integer number (14736).

2¹⁹⁷⁰⁹⁸ is an apocalyptic number.

197098 is a deficient number, since it is larger than the sum of its proper divisors (156566).

197098 is a wasteful number, since it uses less digits than its factorization.

197098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 197098 is about 443.9572051448. The cubic root of 197098 is about 58.1961255948.

It can be divided in two parts, 19 and 7098, that added together give a palindrome (7117).

The spelling of 197098 in words is "one hundred ninety-seven thousand, ninety-eight".