197800814 has 8 divisors (see below), whose sum is σ = 314154288. Its totient is φ = 93082720.

The previous prime is 197800807. The next prime is 197800859. The reversal of 197800814 is 418008791.

197800814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908802 + ... + 2908869.

It is an arithmetic number, because the mean of its divisors is an integer number (39269286).

Almost surely, 2^197800814 is an apocalyptic number.

197800814 is a deficient number, since it is larger than the sum of its proper divisors (116353474).

197800814 is a wasteful number, since it uses less digits than its factorization.

197800814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817690.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 197800814 is about 14064.1677322194. The cubic root of 197800814 is about 582.6521564605.

The spelling of 197800814 in words is "one hundred ninety-seven million, eight hundred thousand, eight hundred fourteen".