197101944 has 128 divisors (see below), whose sum is σ = 624456000. Its totient is φ = 57065472.

The previous prime is 197101939. The next prime is 197101969. The reversal of 197101944 is 449101791.

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

It is a junction number, because it is equal to n+sod(n) for n = 197101899 and 197101908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45672 + ... + 49800.

Almost surely, 2^197101944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197101944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312228000).

197101944 is an abundant number, since it is smaller than the sum of its proper divisors (427354056).

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

197101944 is a wasteful number, since it uses less digits than its factorization.

197101944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 197101944 is about 14039.2999825490. The cubic root of 197101944 is about 581.9651376716.

The spelling of 197101944 in words is "one hundred ninety-seven million, one hundred one thousand, nine hundred forty-four".