199465447 has 8 divisors (see below), whose sum is σ = 204787440. Its totient is φ = 194201280.

The previous prime is 199465429. The next prime is 199465457. The reversal of 199465447 is 744564991.

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-199465447 is a prime.

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 199465447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199465457) 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, 7422 + ... + 21307.

It is an arithmetic number, because the mean of its divisors is an integer number (25598430).

Almost surely, 2^199465447 is an apocalyptic number.

199465447 is a deficient number, since it is larger than the sum of its proper divisors (5321993).

199465447 is a wasteful number, since it uses less digits than its factorization.

199465447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28913.

The product of its digits is 1088640, while the sum is 49.

The square root of 199465447 is about 14123.2236759176. The cubic root of 199465447 is about 584.2820686180.

The spelling of 199465447 in words is "one hundred ninety-nine million, four hundred sixty-five thousand, four hundred forty-seven".