199033344 has 120 divisors (see below), whose sum is σ = 587283840. Its totient is φ = 64862208.

The previous prime is 199033343. The next prime is 199033357. The reversal of 199033344 is 443330991.

It is a super-2 number, since 2×199033344² = 79228544047644672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 199033299 and 199033308.

It is not an unprimeable number, because it can be changed into a prime (199033343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216117 + ... + 217035.

It is an arithmetic number, because the mean of its divisors is an integer number (4894032).

Almost surely, 2^199033344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199033344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293641920).

199033344 is an abundant number, since it is smaller than the sum of its proper divisors (388250496).

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

199033344 is an equidigital number, since it uses as much as digits as its factorization.

199033344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 199033344 is about 14107.9177769081. The cubic root of 199033344 is about 583.8598525278.

The spelling of 199033344 in words is "one hundred ninety-nine million, thirty-three thousand, three hundred forty-four".