204842401 has 8 divisors (see below), whose sum is σ = 228307680. Its totient is φ = 182645568.

The previous prime is 204842357. The next prime is 204842413. The reversal of 204842401 is 104248402.

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

It is a cyclic number.

It is not a de Polignac number, because 204842401 - 2²³ = 196453793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204842431) 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, 316771 + ... + 317416.

It is an arithmetic number, because the mean of its divisors is an integer number (28538460).

Almost surely, 2^204842401 is an apocalyptic number.

It is an amenable number.

204842401 is a deficient number, since it is larger than the sum of its proper divisors (23465279).

204842401 is a wasteful number, since it uses less digits than its factorization.

204842401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634223.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 204842401 is about 14312.3164093029. The cubic root of 204842401 is about 589.4857157826.

The spelling of 204842401 in words is "two hundred four million, eight hundred forty-two thousand, four hundred one".