198814 has 16 divisors (see below), whose sum is σ = 372096. Its totient is φ = 77400.

The previous prime is 198811. The next prime is 198817. The reversal of 198814 is 418891.

198814 = T₁₇₆ + T₁₇₇ + ... + T₁₈₇.

It is an interprime number because it is at equal distance from previous prime (198811) and next prime (198817).

198814 is a modest number, since divided by 814 gives 198 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198811) 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, 492 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (23256).

2¹⁹⁸⁸¹⁴ is an apocalyptic number.

198814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198814 is a deficient number, since it is larger than the sum of its proper divisors (173282).

198814 is a wasteful number, since it uses less digits than its factorization.

198814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its digits is 2304, while the sum is 31.

The square root of 198814 is about 445.8856355614. The cubic root of 198814 is about 58.3645293455.

It can be divided in two parts, 19881 and 4, that multiplied together give a square (79524 = 282²).

The spelling of 198814 in words is "one hundred ninety-eight thousand, eight hundred fourteen".