197133284 has 12 divisors (see below), whose sum is σ = 363140400. Its totient is φ = 93378888.

The previous prime is 197133283. The next prime is 197133319. The reversal of 197133284 is 482331791.

197133284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (197133283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296854 + ... + 1297005.

It is an arithmetic number, because the mean of its divisors is an integer number (30261700).

Almost surely, 2^197133284 is an apocalyptic number.

It is an amenable number.

197133284 is a deficient number, since it is larger than the sum of its proper divisors (166007116).

197133284 is a wasteful number, since it uses less digits than its factorization.

197133284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593882 (or 2593880 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 197133284 is about 14040.4160907004. The cubic root of 197133284 is about 581.9959809676.

The spelling of 197133284 in words is "one hundred ninety-seven million, one hundred thirty-three thousand, two hundred eighty-four".