199648395 has 40 divisors (see below), whose sum is σ = 373466016. Its totient is φ = 101844864.

The previous prime is 199648373. The next prime is 199648429. The reversal of 199648395 is 593846991.

199648395 is a `hidden beast` number, since 199 + 64 + 8 + 395 = 666.

It is not a de Polignac number, because 199648395 - 2⁵ = 199648363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1402 + ... + 20031.

Almost surely, 2^199648395 is an apocalyptic number.

199648395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199648395 is a deficient number, since it is larger than the sum of its proper divisors (173817621).

199648395 is a wasteful number, since it uses less digits than its factorization.

199648395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21473 (or 21464 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 199648395 is about 14129.6990413809. The cubic root of 199648395 is about 584.4606468690.

The spelling of 199648395 in words is "one hundred ninety-nine million, six hundred forty-eight thousand, three hundred ninety-five".