197418036 has 24 divisors (see below), whose sum is σ = 461157984. Its totient is φ = 65732320.

The previous prime is 197418029. The next prime is 197418047. The reversal of 197418036 is 630814791.

It is a junction number, because it is equal to n+sod(n) for n = 197417985 and 197418003.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2551 + ... + 20033.

It is an arithmetic number, because the mean of its divisors is an integer number (19214916).

Almost surely, 2^197418036 is an apocalyptic number.

It is an amenable number.

197418036 is an abundant number, since it is smaller than the sum of its proper divisors (263739948).

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

197418036 is a wasteful number, since it uses less digits than its factorization.

197418036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431 (or 18429 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 197418036 is about 14050.5528716844. The cubic root of 197418036 is about 582.2760702990.

The spelling of 197418036 in words is "one hundred ninety-seven million, four hundred eighteen thousand, thirty-six".