199830039 has 16 divisors (see below), whose sum is σ = 276240000. Its totient is φ = 128340576.

The previous prime is 199829983. The next prime is 199830047. The reversal of 199830039 is 930038991.

It is a happy number.

It is not a de Polignac number, because 199830039 - 2⁹ = 199829527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199830079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41112 + ... + 45714.

It is an arithmetic number, because the mean of its divisors is an integer number (17265000).

Almost surely, 2^199830039 is an apocalyptic number.

199830039 is a deficient number, since it is larger than the sum of its proper divisors (76409961).

199830039 is a wasteful number, since it uses less digits than its factorization.

199830039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 199830039 is about 14136.1253177807. The cubic root of 199830039 is about 584.6378443689.

The spelling of 199830039 in words is "one hundred ninety-nine million, eight hundred thirty thousand, thirty-nine".