197814 has 8 divisors (see below), whose sum is σ = 395640. Its totient is φ = 65936.

The previous prime is 197807. The next prime is 197831. The reversal of 197814 is 418791.

Added to its reverse (418791) it gives a triangular number (616605 = T₁₁₁₀).

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

197814 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197814.

It is an unprimeable number.

197814 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16479 + ... + 16490.

It is an arithmetic number, because the mean of its divisors is an integer number (49455).

2¹⁹⁷⁸¹⁴ is an apocalyptic number.

197814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197814 is a wasteful number, since it uses less digits than its factorization.

197814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32974.

The product of its digits is 2016, while the sum is 30.

The square root of 197814 is about 444.7628581615. The cubic root of 197814 is about 58.2665103291.

Adding to 197814 its reverse (418791), we get a triangular number (616605 = T₁₁₁₀).

The spelling of 197814 in words is "one hundred ninety-seven thousand, eight hundred fourteen".