198242744 has 64 divisors (see below), whose sum is σ = 439200960. Its totient is φ = 82114560.

The previous prime is 198242689. The next prime is 198242777. The reversal of 198242744 is 447242891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499154 + ... + 499550.

It is an arithmetic number, because the mean of its divisors is an integer number (6862515).

Almost surely, 2^198242744 is an apocalyptic number.

198242744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198242744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219600480).

198242744 is an abundant number, since it is smaller than the sum of its proper divisors (240958216).

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

198242744 is a wasteful number, since it uses less digits than its factorization.

198242744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 684 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 198242744 is about 14079.8701698560. The cubic root of 198242744 is about 583.0857575430.

The spelling of 198242744 in words is "one hundred ninety-eight million, two hundred forty-two thousand, seven hundred forty-four".