198263088 has 30 divisors (see below), whose sum is σ = 554861684. Its totient is φ = 66087648.

The previous prime is 198263083. The next prime is 198263141. The reversal of 198263088 is 880362891.

198263088 is a `hidden beast` number, since 1 + 9 + 8 + 2 + 630 + 8 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (198263083) 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 5 ways as a sum of consecutive naturals, for example, 688270 + ... + 688557.

Almost surely, 2^198263088 is an apocalyptic number.

198263088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

198263088 is an abundant number, since it is smaller than the sum of its proper divisors (356598596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198263088 is a wasteful number, since it uses less digits than its factorization.

198263088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376841 (or 1376832 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 198263088 is about 14080.5926011656. The cubic root of 198263088 is about 583.1057026041.

The spelling of 198263088 in words is "one hundred ninety-eight million, two hundred sixty-three thousand, eighty-eight".