198295775 has 6 divisors (see below), whose sum is σ = 245886792. Its totient is φ = 158636600.

The previous prime is 198295759. The next prime is 198295787. The reversal of 198295775 is 577592891.

It is a happy number.

It is not a de Polignac number, because 198295775 - 2⁴ = 198295759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3965891 + ... + 3965940.

It is an arithmetic number, because the mean of its divisors is an integer number (40981132).

Almost surely, 2^198295775 is an apocalyptic number.

198295775 is a deficient number, since it is larger than the sum of its proper divisors (47591017).

198295775 is an equidigital number, since it uses as much as digits as its factorization.

198295775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931841 (or 7931836 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 53.

The square root of 198295775 is about 14081.7532644199. The cubic root of 198295775 is about 583.1377457661.

The spelling of 198295775 in words is "one hundred ninety-eight million, two hundred ninety-five thousand, seven hundred seventy-five".