204165834 has 16 divisors (see below), whose sum is σ = 408656640. Its totient is φ = 68001120.

The previous prime is 204165827. The next prime is 204165839. The reversal of 204165834 is 438561402.

204165834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204165795 and 204165804.

It is not an unprimeable number, because it can be changed into a prime (204165839) 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 7 ways as a sum of consecutive naturals, for example, 4954 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (25541040).

Almost surely, 2^204165834 is an apocalyptic number.

204165834 is an abundant number, since it is smaller than the sum of its proper divisors (204490806).

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

204165834 is a wasteful number, since it uses less digits than its factorization.

204165834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27085.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 204165834 is about 14288.6610289418. The cubic root of 204165834 is about 588.8360025103.

The spelling of 204165834 in words is "two hundred four million, one hundred sixty-five thousand, eight hundred thirty-four".