204623436 has 24 divisors (see below), whose sum is σ = 492857344. Its totient is φ = 66007440.

The previous prime is 204623423. The next prime is 204623443. The reversal of 204623436 is 634326402.

It is a happy number.

204623436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274660 + ... + 275403.

Almost surely, 2^204623436 is an apocalyptic number.

It is an amenable number.

204623436 is an abundant number, since it is smaller than the sum of its proper divisors (288233908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204623436 is a wasteful number, since it uses less digits than its factorization.

204623436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550101 (or 550099 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 204623436 is about 14304.6648335429. The cubic root of 204623436 is about 589.2755985439.

Adding to 204623436 its reverse (634326402), we get a palindrome (838949838).

The spelling of 204623436 in words is "two hundred four million, six hundred twenty-three thousand, four hundred thirty-six".