198109024 has 24 divisors (see below), whose sum is σ = 412971048. Its totient is φ = 93227520.

The previous prime is 198109019. The next prime is 198109027. The reversal of 198109024 is 420901891.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198109027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181542 + ... + 182629.

It is an arithmetic number, because the mean of its divisors is an integer number (17207127).

Almost surely, 2^198109024 is an apocalyptic number.

It is an amenable number.

198109024 is an abundant number, since it is smaller than the sum of its proper divisors (214862024).

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

198109024 is a wasteful number, since it uses less digits than its factorization.

198109024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364198 (or 364190 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 198109024 is about 14075.1207454856. The cubic root of 198109024 is about 582.9546257741.

It can be divided in two parts, 1 and 98109024, that added together give a square (98109025 = 9905²).

The spelling of 198109024 in words is "one hundred ninety-eight million, one hundred nine thousand, twenty-four".