197082198 has 12 divisors (see below), whose sum is σ = 427011468. Its totient is φ = 65694060.

The previous prime is 197082187. The next prime is 197082199. The reversal of 197082198 is 891280791.

It is a super-2 number, since 2×197082198² = 77682785537022408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197082199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5474488 + ... + 5474523.

It is an arithmetic number, because the mean of its divisors is an integer number (35584289).

Almost surely, 2^197082198 is an apocalyptic number.

197082198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

197082198 is an abundant number, since it is smaller than the sum of its proper divisors (229929270).

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

197082198 is a wasteful number, since it uses less digits than its factorization.

197082198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949019 (or 10949016 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 197082198 is about 14038.5967247443. The cubic root of 197082198 is about 581.9457029446.

The spelling of 197082198 in words is "one hundred ninety-seven million, eighty-two thousand, one hundred ninety-eight".