199381395 has 8 divisors (see below), whose sum is σ = 319010256. Its totient is φ = 106336736.

The previous prime is 199381393. The next prime is 199381397. The reversal of 199381395 is 593183991.

199381395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (199381393) and next prime (199381397).

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

It is a cyclic number.

It is not a de Polignac number, because 199381395 - 2¹ = 199381393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199381393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6646032 + ... + 6646061.

It is an arithmetic number, because the mean of its divisors is an integer number (39876282).

Almost surely, 2^199381395 is an apocalyptic number.

199381395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199381395 is a deficient number, since it is larger than the sum of its proper divisors (119628861).

199381395 is a wasteful number, since it uses less digits than its factorization.

199381395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13292101.

The product of its digits is 262440, while the sum is 48.

The square root of 199381395 is about 14120.2476961277. The cubic root of 199381395 is about 584.1999876078.

The spelling of 199381395 in words is "one hundred ninety-nine million, three hundred eighty-one thousand, three hundred ninety-five".