200190647 has 4 divisors (see below), whose sum is σ = 200362776. Its totient is φ = 200018520.

The previous prime is 200190629. The next prime is 200190667. The reversal of 200190647 is 746091002.

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

It is a cyclic number.

It is not a de Polignac number, because 200190647 - 2⁸ = 200190391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200190667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84308 + ... + 86649.

It is an arithmetic number, because the mean of its divisors is an integer number (50090694).

Almost surely, 2^200190647 is an apocalyptic number.

200190647 is a deficient number, since it is larger than the sum of its proper divisors (172129).

200190647 is a wasteful number, since it uses less digits than its factorization.

200190647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172128.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 200190647 is about 14148.8744075280. The cubic root of 200190647 is about 584.9893070342.

The spelling of 200190647 in words is "two hundred million, one hundred ninety thousand, six hundred forty-seven".