204428344 has 16 divisors (see below), whose sum is σ = 386323200. Its totient is φ = 101408832.

The previous prime is 204428339. The next prime is 204428351. The reversal of 204428344 is 443824402.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 99589 + ... + 101620.

It is an arithmetic number, because the mean of its divisors is an integer number (24145200).

Almost surely, 2^204428344 is an apocalyptic number.

It is an amenable number.

204428344 is a deficient number, since it is larger than the sum of its proper divisors (181894856).

204428344 is a wasteful number, since it uses less digits than its factorization.

204428344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201342 (or 201338 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 204428344 is about 14297.8440332800. The cubic root of 204428344 is about 589.0882633545.

The spelling of 204428344 in words is "two hundred four million, four hundred twenty-eight thousand, three hundred forty-four".