198949344 has 96 divisors (see below), whose sum is σ = 572552064. Its totient is φ = 59988480.

The previous prime is 198949339. The next prime is 198949349. The reversal of 198949344 is 443949891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (198949339) and next prime (198949349).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198949349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309087 + ... + 309729.

It is an arithmetic number, because the mean of its divisors is an integer number (5964084).

Almost surely, 2^198949344 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 198949344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286276032).

198949344 is an abundant number, since it is smaller than the sum of its proper divisors (373602720).

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

198949344 is a wasteful number, since it uses less digits than its factorization.

198949344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 952 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 198949344 is about 14104.9404110758. The cubic root of 198949344 is about 583.7777035977. Note that the first 4 decimals are identical.

The spelling of 198949344 in words is "one hundred ninety-eight million, nine hundred forty-nine thousand, three hundred forty-four".