199471027 has 8 divisors (see below), whose sum is σ = 233527392. Its totient is φ = 166804800.

The previous prime is 199471009. The next prime is 199471039. The reversal of 199471027 is 720174991.

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 199471027 - 2¹⁵ = 199438259 is a prime.

It is a super-2 number, since 2×199471027² = 79577381224869458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199471007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347224 + ... + 347797.

It is an arithmetic number, because the mean of its divisors is an integer number (29190924).

Almost surely, 2^199471027 is an apocalyptic number.

199471027 is a deficient number, since it is larger than the sum of its proper divisors (34056365).

199471027 is an equidigital number, since it uses as much as digits as its factorization.

199471027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695069.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 199471027 is about 14123.4212215030. The cubic root of 199471027 is about 584.2875169526.

The spelling of 199471027 in words is "one hundred ninety-nine million, four hundred seventy-one thousand, twenty-seven".