204234004 has 48 divisors (see below), whose sum is σ = 396531520. Its totient is φ = 91445760.

The previous prime is 204233999. The next prime is 204234007. The reversal of 204234004 is 400432402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204234007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538687 + ... + 539065.

Almost surely, 2^204234004 is an apocalyptic number.

It is an amenable number.

204234004 is a deficient number, since it is larger than the sum of its proper divisors (192297516).

204234004 is a wasteful number, since it uses less digits than its factorization.

204234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 204234004 is about 14291.0462877985. The cubic root of 204234004 is about 588.9015317302.

Adding to 204234004 its reverse (400432402), we get a palindrome (604666406).

It can be divided in two parts, 2042 and 34004, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 204234004 in words is "two hundred four million, two hundred thirty-four thousand, four".