198774295 has 16 divisors (see below), whose sum is σ = 255206880. Its totient is φ = 148176000.

The previous prime is 198774287. The next prime is 198774299. The reversal of 198774295 is 592477891.

It is not a de Polignac number, because 198774295 - 2³ = 198774287 is a prime.

It is a super-2 number, since 2×198774295² = 79022440705494050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198774299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11356 + ... + 22945.

It is an arithmetic number, because the mean of its divisors is an integer number (15950430).

Almost surely, 2^198774295 is an apocalyptic number.

198774295 is a deficient number, since it is larger than the sum of its proper divisors (56432585).

198774295 is a wasteful number, since it uses less digits than its factorization.

198774295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34386.

The product of its digits is 1270080, while the sum is 52.

The square root of 198774295 is about 14098.7338083957. The cubic root of 198774295 is about 583.6064377419.

The spelling of 198774295 in words is "one hundred ninety-eight million, seven hundred seventy-four thousand, two hundred ninety-five".