197729488 has 60 divisors (see below), whose sum is σ = 425411140. Its totient is φ = 88957440.

The previous prime is 197729471. The next prime is 197729509. The reversal of 197729488 is 884927791.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64834704 + 132894784 = 8052^2 + 11528^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 210556 + ... + 211492.

Almost surely, 2^197729488 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 197729488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212705570).

197729488 is an abundant number, since it is smaller than the sum of its proper divisors (227681652).

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

197729488 is a wasteful number, since it uses less digits than its factorization.

197729488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1059 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 55.

The square root of 197729488 is about 14061.6317687529. The cubic root of 197729488 is about 582.5821142075.

The spelling of 197729488 in words is "one hundred ninety-seven million, seven hundred twenty-nine thousand, four hundred eighty-eight".