198820714 has 4 divisors (see below), whose sum is σ = 298231074. Its totient is φ = 99410356.

The previous prime is 198820711. The next prime is 198820753. The reversal of 198820714 is 417028891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 193905625 + 4915089 = 13925^2 + 2217^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (198820711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49705177 + ... + 49705180.

Almost surely, 2^198820714 is an apocalyptic number.

198820714 is a deficient number, since it is larger than the sum of its proper divisors (99410360).

198820714 is an equidigital number, since it uses as much as digits as its factorization.

198820714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99410359.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 198820714 is about 14100.3799239595. The cubic root of 198820714 is about 583.6518633316.

The spelling of 198820714 in words is "one hundred ninety-eight million, eight hundred twenty thousand, seven hundred fourteen".