199079444 has 24 divisors (see below), whose sum is σ = 364271040. Its totient is φ = 95019584.

The previous prime is 199079443. The next prime is 199079471. The reversal of 199079444 is 444970991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199079443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50447 + ... + 54249.

It is an arithmetic number, because the mean of its divisors is an integer number (15177960).

Almost surely, 2^199079444 is an apocalyptic number.

It is an amenable number.

199079444 is a deficient number, since it is larger than the sum of its proper divisors (165191596).

199079444 is a wasteful number, since it uses less digits than its factorization.

199079444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 199079444 is about 14109.5515166146. The cubic root of 199079444 is about 583.9049268201.

The spelling of 199079444 in words is "one hundred ninety-nine million, seventy-nine thousand, four hundred forty-four".