198348761 has 8 divisors (see below), whose sum is σ = 213877440. Its totient is φ = 182858832.

The previous prime is 198348751. The next prime is 198348763. The reversal of 198348761 is 167843891.

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

It is not a de Polignac number, because 198348761 - 2¹⁴ = 198332377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198348763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 19968.

It is an arithmetic number, because the mean of its divisors is an integer number (26734680).

Almost surely, 2^198348761 is an apocalyptic number.

It is an amenable number.

198348761 is a deficient number, since it is larger than the sum of its proper divisors (15528679).

198348761 is a wasteful number, since it uses less digits than its factorization.

198348761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19375.

The product of its digits is 290304, while the sum is 47.

The square root of 198348761 is about 14083.6345096001. The cubic root of 198348761 is about 583.1896806177.

The spelling of 198348761 in words is "one hundred ninety-eight million, three hundred forty-eight thousand, seven hundred sixty-one".