197684112 has 20 divisors (see below), whose sum is σ = 510684080. Its totient is φ = 65894688.

The previous prime is 197684099. The next prime is 197684119. The reversal of 197684112 is 211486791.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (197684119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2059162 + ... + 2059257.

It is an arithmetic number, because the mean of its divisors is an integer number (25534204).

Almost surely, 2^197684112 is an apocalyptic number.

197684112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197684112 is an abundant number, since it is smaller than the sum of its proper divisors (312999968).

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

197684112 is a wasteful number, since it uses less digits than its factorization.

197684112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118430 (or 4118424 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 197684112 is about 14060.0182076696. The cubic root of 197684112 is about 582.5375461317.

The spelling of 197684112 in words is "one hundred ninety-seven million, six hundred eighty-four thousand, one hundred twelve".