204303434 has 16 divisors (see below), whose sum is σ = 330808320. Its totient is φ = 94340400.

The previous prime is 204303427. The next prime is 204303443. The reversal of 204303434 is 434303402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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, 75242 + ... + 77909.

It is an arithmetic number, because the mean of its divisors is an integer number (20675520).

Almost surely, 2^204303434 is an apocalyptic number.

204303434 is a deficient number, since it is larger than the sum of its proper divisors (126504886).

204303434 is a wasteful number, since it uses less digits than its factorization.

204303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153205.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 204303434 is about 14293.4752247310. The cubic root of 204303434 is about 588.9682571533.

Adding to 204303434 its reverse (434303402), we get a palindrome (638606836).

The spelling of 204303434 in words is "two hundred four million, three hundred three thousand, four hundred thirty-four".