198614493 has 48 divisors (see below), whose sum is σ = 365040000. Its totient is φ = 103158720.

The previous prime is 198614461. The next prime is 198614501. The reversal of 198614493 is 394416891.

It is not a de Polignac number, because 198614493 - 2⁵ = 198614461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198614393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31033 + ... + 36881.

It is an arithmetic number, because the mean of its divisors is an integer number (7605000).

Almost surely, 2^198614493 is an apocalyptic number.

It is an amenable number.

198614493 is a deficient number, since it is larger than the sum of its proper divisors (166425507).

198614493 is a wasteful number, since it uses less digits than its factorization.

198614493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887 (or 5870 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 198614493 is about 14093.0654223984. The cubic root of 198614493 is about 583.4500015534.

The spelling of 198614493 in words is "one hundred ninety-eight million, six hundred fourteen thousand, four hundred ninety-three".