197241788 has 6 divisors (see below), whose sum is σ = 345173136. Its totient is φ = 98620892.

The previous prime is 197241773. The next prime is 197241791. The reversal of 197241788 is 887142791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24655220 + ... + 24655227.

It is an arithmetic number, because the mean of its divisors is an integer number (57528856).

Almost surely, 2^197241788 is an apocalyptic number.

It is an amenable number.

197241788 is a deficient number, since it is larger than the sum of its proper divisors (147931348).

197241788 is a wasteful number, since it uses less digits than its factorization.

197241788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49310451 (or 49310449 counting only the distinct ones).

The product of its digits is 225792, while the sum is 47.

The square root of 197241788 is about 14044.2795472036. The cubic root of 197241788 is about 582.1027400568.

It can be divided in two parts, 19724 and 1788, that added together give a palindrome (21512).

The spelling of 197241788 in words is "one hundred ninety-seven million, two hundred forty-one thousand, seven hundred eighty-eight".