198495073 has 8 divisors (see below), whose sum is σ = 227539520. Its totient is φ = 169622640.

The previous prime is 198495061. The next prime is 198495079. The reversal of 198495073 is 370594891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198495073 - 2²¹ = 196397921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198495079) 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, 40518 + ... + 45151.

It is an arithmetic number, because the mean of its divisors is an integer number (28442440).

Almost surely, 2^198495073 is an apocalyptic number.

It is an amenable number.

198495073 is a deficient number, since it is larger than the sum of its proper divisors (29044447).

198495073 is an equidigital number, since it uses as much as digits as its factorization.

198495073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86007.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 198495073 is about 14088.8279498332. The cubic root of 198495073 is about 583.3330420316. Note that the first 3 decimals are identical.

The spelling of 198495073 in words is "one hundred ninety-eight million, four hundred ninety-five thousand, seventy-three".