199496444 has 54 divisors (see below), whose sum is σ = 413913024. Its totient is φ = 83885760.

The previous prime is 199496441. The next prime is 199496459. The reversal of 199496444 is 444694991.

It is a junction number, because it is equal to n+sod(n) for n = 199496392 and 199496401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199496441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1044389 + ... + 1044579.

It is an arithmetic number, because the mean of its divisors is an integer number (7665056).

Almost surely, 2^199496444 is an apocalyptic number.

199496444 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 199496444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206956512).

199496444 is an abundant number, since it is smaller than the sum of its proper divisors (214416580).

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

199496444 is a wasteful number, since it uses less digits than its factorization.

199496444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 273 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 199496444 is about 14124.3210102291. The cubic root of 199496444 is about 584.3123329294.

The spelling of 199496444 in words is "one hundred ninety-nine million, four hundred ninety-six thousand, four hundred forty-four".