197171352 has 96 divisors (see below), whose sum is σ = 619507200. Its totient is φ = 55484352.

The previous prime is 197171347. The next prime is 197171353. The reversal of 197171352 is 253171791.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197171353) 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 23 ways as a sum of consecutive naturals, for example, 30849 + ... + 36687.

It is an arithmetic number, because the mean of its divisors is an integer number (6453200).

Almost surely, 2^197171352 is an apocalyptic number.

197171352 is a gapful number since it is divisible by the number (12) 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 197171352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309753600).

197171352 is an abundant number, since it is smaller than the sum of its proper divisors (422335848).

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

197171352 is a wasteful number, since it uses less digits than its factorization.

197171352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925 (or 5918 counting only the distinct ones).

The product of its digits is 13230, while the sum is 36.

The square root of 197171352 is about 14041.7716830890. The cubic root of 197171352 is about 582.0334412357.

The spelling of 197171352 in words is "one hundred ninety-seven million, one hundred seventy-one thousand, three hundred fifty-two".