198235814 has 16 divisors (see below), whose sum is σ = 340124928. Its totient is φ = 84885192.

The previous prime is 198235813. The next prime is 198235819. The reversal of 198235814 is 418532891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198235813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12809 + ... + 23675.

It is an arithmetic number, because the mean of its divisors is an integer number (21257808).

Almost surely, 2^198235814 is an apocalyptic number.

198235814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198235814 is a deficient number, since it is larger than the sum of its proper divisors (141889114).

198235814 is a wasteful number, since it uses less digits than its factorization.

198235814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179.

The product of its digits is 69120, while the sum is 41.

The square root of 198235814 is about 14079.6240716860. The cubic root of 198235814 is about 583.0789631264.

The spelling of 198235814 in words is "one hundred ninety-eight million, two hundred thirty-five thousand, eight hundred fourteen".