197813304 has 48 divisors (see below), whose sum is σ = 576958200. Its totient is φ = 60865344.

The previous prime is 197813299. The next prime is 197813327. The reversal of 197813304 is 403318791.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 104734 + ... + 106605.

Almost surely, 2^197813304 is an apocalyptic number.

It is an amenable number.

197813304 is an abundant number, since it is smaller than the sum of its proper divisors (379144896).

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

197813304 is a wasteful number, since it uses less digits than its factorization.

197813304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211364 (or 211357 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 197813304 is about 14064.6117614387. The cubic root of 197813304 is about 582.6644199292.

The spelling of 197813304 in words is "one hundred ninety-seven million, eight hundred thirteen thousand, three hundred four".