199608345 has 12 divisors (see below), whose sum is σ = 345987876. Its totient is φ = 106457760.

The previous prime is 199608323. The next prime is 199608347. The reversal of 199608345 is 543806991.

It is a happy number.

199608345 is a `hidden beast` number, since 1 + 9 + 9 + 608 + 34 + 5 = 666.

199608345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 103489929 + 96118416 = 10173^2 + 9804^2 .

It is not a de Polignac number, because 199608345 - 2⁷ = 199608217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4435741 = 199608345 / (1 + 9 + 9 + 6 + 0 + 8 + 3 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 199608345.

It is not an unprimeable number, because it can be changed into a prime (199608347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217826 + ... + 2217915.

It is an arithmetic number, because the mean of its divisors is an integer number (28832323).

Almost surely, 2^199608345 is an apocalyptic number.

199608345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199608345 is a deficient number, since it is larger than the sum of its proper divisors (146379531).

199608345 is a wasteful number, since it uses less digits than its factorization.

199608345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435752 (or 4435749 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 199608345 is about 14128.2817426607. The cubic root of 199608345 is about 584.4215628011.

The spelling of 199608345 in words is "one hundred ninety-nine million, six hundred eight thousand, three hundred forty-five".