199239244 has 12 divisors (see below), whose sum is σ = 367019800. Its totient is φ = 94376448.

The previous prime is 199239241. The next prime is 199239289. The reversal of 199239244 is 442932991.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 199239244.

It is not an unprimeable number, because it can be changed into a prime (199239241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310709 + ... + 1310860.

Almost surely, 2^199239244 is an apocalyptic number.

It is an amenable number.

199239244 is a deficient number, since it is larger than the sum of its proper divisors (167780556).

199239244 is a wasteful number, since it uses less digits than its factorization.

199239244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621592 (or 2621590 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 199239244 is about 14115.2132112838. The cubic root of 199239244 is about 584.0611174855.

The spelling of 199239244 in words is "one hundred ninety-nine million, two hundred thirty-nine thousand, two hundred forty-four".