197013888 has 96 divisors (see below), whose sum is σ = 596832600. Its totient is φ = 62208000.

The previous prime is 197013881. The next prime is 197013911. The reversal of 197013888 is 888310791.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197013881) 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 11 ways as a sum of consecutive naturals, for example, 17388 + ... + 26388.

Almost surely, 2^197013888 is an apocalyptic number.

197013888 is a gapful number since it is divisible by the number (18) 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 197013888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298416300).

197013888 is an abundant number, since it is smaller than the sum of its proper divisors (399818712).

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

197013888 is a wasteful number, since it uses less digits than its factorization.

197013888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040 (or 9025 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 197013888 is about 14036.1635784142. The cubic root of 197013888 is about 581.8784597586.

The spelling of 197013888 in words is "one hundred ninety-seven million, thirteen thousand, eight hundred eighty-eight".