199801382 has 8 divisors (see below), whose sum is σ = 326947752. Its totient is φ = 90818800.

The previous prime is 199801379. The next prime is 199801403. The reversal of 199801382 is 283108991.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540919 + ... + 4540962.

It is an arithmetic number, because the mean of its divisors is an integer number (40868469).

Almost surely, 2^199801382 is an apocalyptic number.

199801382 is a deficient number, since it is larger than the sum of its proper divisors (127146370).

199801382 is a wasteful number, since it uses less digits than its factorization.

199801382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081894.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 199801382 is about 14135.1116727106. Note that the first 3 decimals coincide. The cubic root of 199801382 is about 584.6098960055.

The spelling of 199801382 in words is "one hundred ninety-nine million, eight hundred one thousand, three hundred eighty-two".