198469544 has 96 divisors (see below), whose sum is σ = 468889920. Its totient is φ = 77096448.

The previous prime is 198469529. The next prime is 198469589. The reversal of 198469544 is 445964891.

It is a junction number, because it is equal to n+sod(n) for n = 198469492 and 198469501.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633932 + ... + 634244.

It is an arithmetic number, because the mean of its divisors is an integer number (4884270).

Almost surely, 2^198469544 is an apocalyptic number.

198469544 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 198469544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234444960).

198469544 is an abundant number, since it is smaller than the sum of its proper divisors (270420376).

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

198469544 is a wasteful number, since it uses less digits than its factorization.

198469544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 402 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 198469544 is about 14087.9219191476. The cubic root of 198469544 is about 583.3080329344.

The spelling of 198469544 in words is "one hundred ninety-eight million, four hundred sixty-nine thousand, five hundred forty-four".