197412216 has 32 divisors (see below), whose sum is σ = 509452800. Its totient is φ = 63681120.

The previous prime is 197412181. The next prime is 197412283. The reversal of 197412216 is 612214791.

It is a happy number.

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, 131926 + ... + 133413.

It is an arithmetic number, because the mean of its divisors is an integer number (15920400).

Almost surely, 2^197412216 is an apocalyptic number.

It is an amenable number.

197412216 is an abundant number, since it is smaller than the sum of its proper divisors (312040584).

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

197412216 is a wasteful number, since it uses less digits than its factorization.

197412216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265379 (or 265375 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 197412216 is about 14050.3457608701. The cubic root of 197412216 is about 582.2703482956.

The spelling of 197412216 in words is "one hundred ninety-seven million, four hundred twelve thousand, two hundred sixteen".