199072093 has 8 divisors (see below), whose sum is σ = 217382400. Its totient is φ = 180797280.

The previous prime is 199072087. The next prime is 199072103. The reversal of 199072093 is 390270991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199072093 is a prime.

It is a super-2 number, since 2×199072093² = 79259396422801298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199772093) 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, 3633 + ... + 20281.

It is an arithmetic number, because the mean of its divisors is an integer number (27172800).

Almost surely, 2^199072093 is an apocalyptic number.

It is an amenable number.

199072093 is a deficient number, since it is larger than the sum of its proper divisors (18310307).

199072093 is a wasteful number, since it uses less digits than its factorization.

199072093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 199072093 is about 14109.2910169151. The cubic root of 199072093 is about 583.8977398435.

The spelling of 199072093 in words is "one hundred ninety-nine million, seventy-two thousand, ninety-three".