198152798 has 8 divisors (see below), whose sum is σ = 302267160. Its totient is φ = 97397080.

The previous prime is 198152791. The next prime is 198152807. The reversal of 198152798 is 897251891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198152791) 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 3 ways as a sum of consecutive naturals, for example, 839513 + ... + 839748.

It is an arithmetic number, because the mean of its divisors is an integer number (37783395).

Almost surely, 2^198152798 is an apocalyptic number.

198152798 is a deficient number, since it is larger than the sum of its proper divisors (104114362).

198152798 is a wasteful number, since it uses less digits than its factorization.

198152798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679322.

The product of its digits is 362880, while the sum is 50.

The square root of 198152798 is about 14076.6756728995. The cubic root of 198152798 is about 582.9975589968.

The spelling of 198152798 in words is "one hundred ninety-eight million, one hundred fifty-two thousand, seven hundred ninety-eight".