204526434 has 64 divisors (see below), whose sum is σ = 479250432. Its totient is φ = 56985600.

The previous prime is 204526397. The next prime is 204526451. The reversal of 204526434 is 434625402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318754 + ... + 319394.

It is an arithmetic number, because the mean of its divisors is an integer number (7488288).

Almost surely, 2^204526434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204526434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239625216).

204526434 is an abundant number, since it is smaller than the sum of its proper divisors (274723998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204526434 is a wasteful number, since it uses less digits than its factorization.

204526434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 204526434 is about 14301.2738593455. The cubic root of 204526434 is about 589.1824682106.

The spelling of 204526434 in words is "two hundred four million, five hundred twenty-six thousand, four hundred thirty-four".