204006487 has 8 divisors (see below), whose sum is σ = 208144080. Its totient is φ = 199879680.

The previous prime is 204006463. The next prime is 204006533. The reversal of 204006487 is 784600402.

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 204006487 - 2¹⁹ = 203482199 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 (204006437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43287 + ... + 47767.

It is an arithmetic number, because the mean of its divisors is an integer number (26018010).

Almost surely, 2^204006487 is an apocalyptic number.

204006487 is a deficient number, since it is larger than the sum of its proper divisors (4137593).

204006487 is an equidigital number, since it uses as much as digits as its factorization.

204006487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 204006487 is about 14283.0839457030. The cubic root of 204006487 is about 588.6827714011.

Adding to 204006487 its reverse (784600402), we get a palindrome (988606889).

The spelling of 204006487 in words is "two hundred four million, six thousand, four hundred eighty-seven".