199833838 has 8 divisors (see below), whose sum is σ = 310087080. Its totient is φ = 96471480.

The previous prime is 199833791. The next prime is 199833847. The reversal of 199833838 is 838338991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722648 + ... + 1722763.

It is an arithmetic number, because the mean of its divisors is an integer number (38760885).

Almost surely, 2^199833838 is an apocalyptic number.

199833838 is a deficient number, since it is larger than the sum of its proper divisors (110253242).

199833838 is a wasteful number, since it uses less digits than its factorization.

199833838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445442.

The product of its digits is 1119744, while the sum is 52.

The square root of 199833838 is about 14136.2596891823. The cubic root of 199833838 is about 584.6415492258.

The spelling of 199833838 in words is "one hundred ninety-nine million, eight hundred thirty-three thousand, eight hundred thirty-eight".