198295555 has 8 divisors (see below), whose sum is σ = 238279392. Its totient is φ = 158419968.

The previous prime is 198295547. The next prime is 198295577. The reversal of 198295555 is 555592891.

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 198295555 - 2³ = 198295547 is a prime.

It is a super-2 number, since 2×198295555² = 78642254265516050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198295499 and 198295508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22974 + ... + 30403.

It is an arithmetic number, because the mean of its divisors is an integer number (29784924).

Almost surely, 2^198295555 is an apocalyptic number.

198295555 is a deficient number, since it is larger than the sum of its proper divisors (39983837).

198295555 is an equidigital number, since it uses as much as digits as its factorization.

198295555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54125.

The product of its digits is 810000, while the sum is 49.

The square root of 198295555 is about 14081.7454528904. The cubic root of 198295555 is about 583.1375301112.

The spelling of 198295555 in words is "one hundred ninety-eight million, two hundred ninety-five thousand, five hundred fifty-five".