197473812 has 12 divisors (see below), whose sum is σ = 460772256. Its totient is φ = 65824600.

The previous prime is 197473811. The next prime is 197473831. The reversal of 197473812 is 218374791.

197473812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×197473812² = 77991812851622688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197473811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8228064 + ... + 8228087.

It is an arithmetic number, because the mean of its divisors is an integer number (38397688).

Almost surely, 2^197473812 is an apocalyptic number.

197473812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197473812 is an abundant number, since it is smaller than the sum of its proper divisors (263298444).

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

197473812 is a wasteful number, since it uses less digits than its factorization.

197473812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456158 (or 16456156 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 197473812 is about 14052.5375644401. The cubic root of 197473812 is about 582.3309014460.

The spelling of 197473812 in words is "one hundred ninety-seven million, four hundred seventy-three thousand, eight hundred twelve".