197042000 has 80 divisors (see below), whose sum is σ = 482594112. Its totient is φ = 77801600.

The previous prime is 197041991. The next prime is 197042029. The reversal of 197042000 is 240791.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165407 + ... + 166593.

Almost surely, 2^197042000 is an apocalyptic number.

197042000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241297056).

197042000 is an abundant number, since it is smaller than the sum of its proper divisors (285552112).

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

197042000 is a wasteful number, since it uses less digits than its factorization.

197042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 197042000 is about 14037.1649559304. The cubic root of 197042000 is about 581.9061346084.

Adding to 197042000 its reverse (240791), we get a palindrome (197282791).

The spelling of 197042000 in words is "one hundred ninety-seven million, forty-two thousand".