198381614 has 4 divisors (see below), whose sum is σ = 297572424. Its totient is φ = 99190806.

The previous prime is 198381593. The next prime is 198381629. The reversal of 198381614 is 416183891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 416183891 = 7129 ⋅58379.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49595402 + ... + 49595405.

It is an arithmetic number, because the mean of its divisors is an integer number (74393106).

Almost surely, 2^198381614 is an apocalyptic number.

198381614 is a deficient number, since it is larger than the sum of its proper divisors (99190810).

198381614 is an equidigital number, since it uses as much as digits as its factorization.

198381614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99190809.

The product of its digits is 41472, while the sum is 41.

The square root of 198381614 is about 14084.8008150630. The cubic root of 198381614 is about 583.2218772272.

The spelling of 198381614 in words is "one hundred ninety-eight million, three hundred eighty-one thousand, six hundred fourteen".