204406402 has 32 divisors (see below), whose sum is σ = 334321344. Its totient is φ = 93350400.

The previous prime is 204406393. The next prime is 204406403. The reversal of 204406402 is 204604402.

It is not an unprimeable number, because it can be changed into a prime (204406403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461193 + ... + 461635.

It is an arithmetic number, because the mean of its divisors is an integer number (10447542).

Almost surely, 2^204406402 is an apocalyptic number.

204406402 is a deficient number, since it is larger than the sum of its proper divisors (129914942).

204406402 is a wasteful number, since it uses less digits than its factorization.

204406402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204406402 is about 14297.0766942057. The cubic root of 204406402 is about 589.0671863080.

The spelling of 204406402 in words is "two hundred four million, four hundred six thousand, four hundred two".