204004039 has 2 divisors, whose sum is σ = 204004040. Its totient is φ = 204004038.

The previous prime is 204004013. The next prime is 204004057. The reversal of 204004039 is 930400402.

204004039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204004039 - 2¹¹ = 204001991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204004639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102002019 + 102002020.

It is an arithmetic number, because the mean of its divisors is an integer number (102002020).

Almost surely, 2^204004039 is an apocalyptic number.

204004039 is a deficient number, since it is larger than the sum of its proper divisors (1).

204004039 is an equidigital number, since it uses as much as digits as its factorization.

204004039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 204004039 is about 14282.9982496673. The cubic root of 204004039 is about 588.6804167354.

The spelling of 204004039 in words is "two hundred four million, four thousand, thirty-nine".