198934254 has 48 divisors (see below), whose sum is σ = 455330304. Its totient is φ = 62672400.

The previous prime is 198934247. The next prime is 198934259. The reversal of 198934254 is 452439891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198934259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19849 + ... + 28139.

It is an arithmetic number, because the mean of its divisors is an integer number (9486048).

Almost surely, 2^198934254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198934254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227665152).

198934254 is an abundant number, since it is smaller than the sum of its proper divisors (256396050).

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

198934254 is a wasteful number, since it uses less digits than its factorization.

198934254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8373 (or 8370 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 198934254 is about 14104.4054819762. The cubic root of 198934254 is about 583.7629436793.

The spelling of 198934254 in words is "one hundred ninety-eight million, nine hundred thirty-four thousand, two hundred fifty-four".