200190487 has 16 divisors (see below), whose sum is σ = 246825792. Its totient is φ = 158446080.

The previous prime is 200190457. The next prime is 200190527. The reversal of 200190487 is 784091002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200190487 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 (200190457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9564 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (15426612).

Almost surely, 2^200190487 is an apocalyptic number.

200190487 is a deficient number, since it is larger than the sum of its proper divisors (46635305).

200190487 is a wasteful number, since it uses less digits than its factorization.

200190487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31818.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 200190487 is about 14148.8687533668. The cubic root of 200190487 is about 584.9891511856.

The spelling of 200190487 in words is "two hundred million, one hundred ninety thousand, four hundred eighty-seven".