197230988 has 12 divisors (see below), whose sum is σ = 352498272. Its totient is φ = 96517200.

The previous prime is 197230987. The next prime is 197231009. The reversal of 197230988 is 889032791.

It is a super-2 number, since 2×197230988² = 77800125254912288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (197230987) 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 3 ways as a sum of consecutive naturals, for example, 524363 + ... + 524738.

It is an arithmetic number, because the mean of its divisors is an integer number (29374856).

Almost surely, 2^197230988 is an apocalyptic number.

It is an amenable number.

197230988 is a deficient number, since it is larger than the sum of its proper divisors (155267284).

197230988 is a wasteful number, since it uses less digits than its factorization.

197230988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049152 (or 1049150 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 197230988 is about 14043.8950437548. The cubic root of 197230988 is about 582.0921154922.

The spelling of 197230988 in words is "one hundred ninety-seven million, two hundred thirty thousand, nine hundred eighty-eight".