199070347 has 4 divisors (see below), whose sum is σ = 227508976. Its totient is φ = 170631720.

The previous prime is 199070327. The next prime is 199070363. The reversal of 199070347 is 743070991.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 199070347 - 2⁷ = 199070219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199070317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14219304 + ... + 14219317.

It is an arithmetic number, because the mean of its divisors is an integer number (56877244).

Almost surely, 2^199070347 is an apocalyptic number.

199070347 is a deficient number, since it is larger than the sum of its proper divisors (28438629).

199070347 is an equidigital number, since it uses as much as digits as its factorization.

199070347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28438628.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 199070347 is about 14109.2291426569. The cubic root of 199070347 is about 583.8960327761.

The spelling of 199070347 in words is "one hundred ninety-nine million, seventy thousand, three hundred forty-seven".