197204900 has 18 divisors (see below), whose sum is σ = 427934850. Its totient is φ = 78881920.

The previous prime is 197204899. The next prime is 197204939. The reversal of 197204900 is 9402791.

It can be written as a sum of positive squares in 3 ways, for example, as 41654116 + 155550784 = 6454^2 + 12472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 985925 + ... + 986124.

Almost surely, 2^197204900 is an apocalyptic number.

197204900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197204900 is an abundant number, since it is smaller than the sum of its proper divisors (230729950).

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

197204900 is a wasteful number, since it uses less digits than its factorization.

197204900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972063 (or 1972056 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 197204900 is about 14042.9662108829. The cubic root of 197204900 is about 582.0664496661.

The spelling of 197204900 in words is "one hundred ninety-seven million, two hundred four thousand, nine hundred".