198371448 has 144 divisors (see below), whose sum is σ = 604773000. Its totient is φ = 58252800.

The previous prime is 198371431. The next prime is 198371483. The reversal of 198371448 is 844173891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1331278 + ... + 1331426.

Almost surely, 2^198371448 is an apocalyptic number.

198371448 is a gapful number since it is divisible by the number (18) 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 198371448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302386500).

198371448 is an abundant number, since it is smaller than the sum of its proper divisors (406401552).

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

198371448 is a wasteful number, since it uses less digits than its factorization.

198371448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 206 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 198371448 is about 14084.4399249668. The cubic root of 198371448 is about 583.2119147199.

The spelling of 198371448 in words is "one hundred ninety-eight million, three hundred seventy-one thousand, four hundred forty-eight".