197995152 has 20 divisors (see below), whose sum is σ = 511487600. Its totient is φ = 65998368.

The previous prime is 197995123. The next prime is 197995153. The reversal of 197995152 is 251599791.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 4124899 = 197995152 / (1 + 9 + 7 + 9 + 9 + 5 + 1 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (197995153) 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, 2062402 + ... + 2062497.

It is an arithmetic number, because the mean of its divisors is an integer number (25574380).

Almost surely, 2^197995152 is an apocalyptic number.

197995152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197995152 is an abundant number, since it is smaller than the sum of its proper divisors (313492448).

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

197995152 is a wasteful number, since it uses less digits than its factorization.

197995152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124910 (or 4124904 counting only the distinct ones).

The product of its digits is 255150, while the sum is 48.

The square root of 197995152 is about 14071.0750122370. The cubic root of 197995152 is about 582.8429113074.

The spelling of 197995152 in words is "one hundred ninety-seven million, nine hundred ninety-five thousand, one hundred fifty-two".