198346344 has 128 divisors (see below), whose sum is σ = 616584960. Its totient is φ = 51867648.

The previous prime is 198346333. The next prime is 198346363. The reversal of 198346344 is 443643891.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 198346296 and 198346305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104734 + ... + 106610.

It is an arithmetic number, because the mean of its divisors is an integer number (4817070).

Almost surely, 2^198346344 is an apocalyptic number.

198346344 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 198346344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308292480).

198346344 is an abundant number, since it is smaller than the sum of its proper divisors (418238616).

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

198346344 is a wasteful number, since it uses less digits than its factorization.

198346344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1943 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 198346344 is about 14083.5487005229. The cubic root of 198346344 is about 583.1873117680.

The spelling of 198346344 in words is "one hundred ninety-eight million, three hundred forty-six thousand, three hundred forty-four".