204738401 has 8 divisors (see below), whose sum is σ = 236174400. Its totient is φ = 173849328.

The previous prime is 204738397. The next prime is 204738409. The reversal of 204738401 is 104837402.

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 204738401 - 2² = 204738397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204738409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135926 + ... + 137423.

It is an arithmetic number, because the mean of its divisors is an integer number (29521800).

Almost surely, 2^204738401 is an apocalyptic number.

It is an amenable number.

204738401 is a deficient number, since it is larger than the sum of its proper divisors (31435999).

204738401 is a wasteful number, since it uses less digits than its factorization.

204738401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273463.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 204738401 is about 14308.6827136533. The cubic root of 204738401 is about 589.3859368106.

Subtracting from 204738401 its reverse (104837402), we obtain a palindrome (99900999).

The spelling of 204738401 in words is "two hundred four million, seven hundred thirty-eight thousand, four hundred one".