198743496 has 192 divisors, whose sum is σ = 625449600. Its totient is φ = 51480576.

The previous prime is 198743491. The next prime is 198743513. The reversal of 198743496 is 694347891.

198743496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198743491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1758736 + ... + 1758848.

It is an arithmetic number, because the mean of its divisors is an integer number (3257550).

Almost surely, 2^198743496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198743496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312724800).

198743496 is an abundant number, since it is smaller than the sum of its proper divisors (426706104).

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

198743496 is a wasteful number, since it uses less digits than its factorization.

198743496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 173 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 198743496 is about 14097.6415048759. The cubic root of 198743496 is about 583.5762939665.

The spelling of 198743496 in words is "one hundred ninety-eight million, seven hundred forty-three thousand, four hundred ninety-six".