197242488 has 24 divisors (see below), whose sum is σ = 534198600. Its totient is φ = 65747472.

The previous prime is 197242481. The next prime is 197242501. The reversal of 197242488 is 884242791.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197242481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1369668 + ... + 1369811.

It is an arithmetic number, because the mean of its divisors is an integer number (22258275).

Almost surely, 2^197242488 is an apocalyptic number.

197242488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

197242488 is an abundant number, since it is smaller than the sum of its proper divisors (336956112).

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

197242488 is a wasteful number, since it uses less digits than its factorization.

197242488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739491 (or 2739484 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 197242488 is about 14044.3044683601. The cubic root of 197242488 is about 582.1034286726.

The spelling of 197242488 in words is "one hundred ninety-seven million, two hundred forty-two thousand, four hundred eighty-eight".