204434001 has 6 divisors (see below), whose sum is σ = 295293570. Its totient is φ = 136289328.

The previous prime is 204433987. The next prime is 204434017. The reversal of 204434001 is 100434402.

204434001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 201611601 + 2822400 = 14199^2 + 1680^2 .

It is not a de Polignac number, because 204434001 - 2⁶ = 204433937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204434071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11357436 + ... + 11357453.

It is an arithmetic number, because the mean of its divisors is an integer number (49215595).

Almost surely, 2^204434001 is an apocalyptic number.

It is an amenable number.

204434001 is a deficient number, since it is larger than the sum of its proper divisors (90859569).

204434001 is a wasteful number, since it uses less digits than its factorization.

204434001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22714895 (or 22714892 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 204434001 is about 14298.0418589400. The cubic root of 204434001 is about 589.0936971111.

Adding to 204434001 its reverse (100434402), we get a palindrome (304868403).

The spelling of 204434001 in words is "two hundred four million, four hundred thirty-four thousand, one".