204085487 has 8 divisors (see below), whose sum is σ = 206917200. Its totient is φ = 201271104.

The previous prime is 204085481. The next prime is 204085489. The reversal of 204085487 is 784580402.

204085487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204085487 - 2⁴ = 204085471 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 204085487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204085481) 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, 20339 + ... + 28667.

It is an arithmetic number, because the mean of its divisors is an integer number (25864650).

Almost surely, 2^204085487 is an apocalyptic number.

204085487 is a deficient number, since it is larger than the sum of its proper divisors (2831713).

204085487 is a wasteful number, since it uses less digits than its factorization.

204085487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8665.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 204085487 is about 14285.8491872202. The cubic root of 204085487 is about 588.7587492746.

The spelling of 204085487 in words is "two hundred four million, eighty-five thousand, four hundred eighty-seven".