199342238 has 32 divisors (see below), whose sum is σ = 329598720. Its totient is φ = 90034560.

The previous prime is 199342229. The next prime is 199342271. The reversal of 199342238 is 832243991.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 199342195 and 199342204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85103 + ... + 87413.

It is an arithmetic number, because the mean of its divisors is an integer number (10299960).

Almost surely, 2^199342238 is an apocalyptic number.

199342238 is a deficient number, since it is larger than the sum of its proper divisors (130256482).

199342238 is a wasteful number, since it uses less digits than its factorization.

199342238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its digits is 93312, while the sum is 41.

The square root of 199342238 is about 14118.8610730469. The cubic root of 199342238 is about 584.1617409489.

The spelling of 199342238 in words is "one hundred ninety-nine million, three hundred forty-two thousand, two hundred thirty-eight".