199271093 has 48 divisors (see below), whose sum is σ = 259660080. Its totient is φ = 151732224.

The previous prime is 199271087. The next prime is 199271099. The reversal of 199271093 is 390172991.

199271093 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 (199271087) and next prime (199271099).

It can be written as a sum of positive squares in 8 ways, for example, as 3467044 + 195804049 = 1862^2 + 13993^2 .

It is not a de Polignac number, because 199271093 - 2¹⁰ = 199270069 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199271093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199271099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1763405 + ... + 1763517.

It is an arithmetic number, because the mean of its divisors is an integer number (5409585).

Almost surely, 2^199271093 is an apocalyptic number.

It is an amenable number.

199271093 is a deficient number, since it is larger than the sum of its proper divisors (60388987).

199271093 is a wasteful number, since it uses less digits than its factorization.

199271093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 199271093 is about 14116.3413461137. The cubic root of 199271093 is about 584.0922371436.

The spelling of 199271093 in words is "one hundred ninety-nine million, two hundred seventy-one thousand, ninety-three".