204426434 has 8 divisors (see below), whose sum is σ = 322778640. Its totient is φ = 96833556.

The previous prime is 204426419. The next prime is 204426437. The reversal of 204426434 is 434624402.

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

It is a junction number, because it is equal to n+sod(n) for n = 204426397 and 204426406.

It is not an unprimeable number, because it can be changed into a prime (204426437) 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 3 ways as a sum of consecutive naturals, for example, 2689784 + ... + 2689859.

It is an arithmetic number, because the mean of its divisors is an integer number (40347330).

Almost surely, 2^204426434 is an apocalyptic number.

204426434 is a deficient number, since it is larger than the sum of its proper divisors (118352206).

204426434 is a wasteful number, since it uses less digits than its factorization.

204426434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379664.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 204426434 is about 14297.7772398370. Note that the first 3 decimals coincide. The cubic root of 204426434 is about 589.0864287066.

The spelling of 204426434 in words is "two hundred four million, four hundred twenty-six thousand, four hundred thirty-four".