197888036 has 12 divisors (see below), whose sum is σ = 346886400. Its totient is φ = 98777640.

The previous prime is 197888011. The next prime is 197888071. The reversal of 197888036 is 630888791.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38900 + ... + 43691.

It is an arithmetic number, because the mean of its divisors is an integer number (28907200).

Almost surely, 2^197888036 is an apocalyptic number.

It is an amenable number.

197888036 is a deficient number, since it is larger than the sum of its proper divisors (148998364).

197888036 is a wasteful number, since it uses less digits than its factorization.

197888036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83194 (or 83192 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 197888036 is about 14067.2682493795. The cubic root of 197888036 is about 582.7377857312.

The spelling of 197888036 in words is "one hundred ninety-seven million, eight hundred eighty-eight thousand, thirty-six".