198262853 has 4 divisors (see below), whose sum is σ = 208697760. Its totient is φ = 187827948.

The previous prime is 198262837. The next prime is 198262861. The reversal of 198262853 is 358262891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 358262891 = 7 ⋅51180413.

It is a cyclic number.

It is not a de Polignac number, because 198262853 - 2⁴ = 198262837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198261853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5217425 + ... + 5217462.

It is an arithmetic number, because the mean of its divisors is an integer number (52174440).

Almost surely, 2^198262853 is an apocalyptic number.

It is an amenable number.

198262853 is a deficient number, since it is larger than the sum of its proper divisors (10434907).

198262853 is a wasteful number, since it uses less digits than its factorization.

198262853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434906.

The product of its digits is 207360, while the sum is 44.

The square root of 198262853 is about 14080.5842563439. The cubic root of 198262853 is about 583.1054722201.

The spelling of 198262853 in words is "one hundred ninety-eight million, two hundred sixty-two thousand, eight hundred fifty-three".