197994800 has 30 divisors (see below), whose sum is σ = 475683468. Its totient is φ = 79197760.

The previous prime is 197994791. The next prime is 197994817. The reversal of 197994800 is 8499791.

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 5 ways as a sum of consecutive naturals, for example, 247094 + ... + 247893.

Almost surely, 2^197994800 is an apocalyptic number.

197994800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197994800 is an abundant number, since it is smaller than the sum of its proper divisors (277688668).

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

197994800 is a wasteful number, since it uses less digits than its factorization.

197994800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495005 (or 494994 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 197994800 is about 14071.0625043029. The cubic root of 197994800 is about 582.8425659103.

The spelling of 197994800 in words is "one hundred ninety-seven million, nine hundred ninety-four thousand, eight hundred".