204795243 has 64 divisors (see below), whose sum is σ = 353203200. Its totient is φ = 116328960.

The previous prime is 204795181. The next prime is 204795251. The reversal of 204795243 is 342597402.

It is not a de Polignac number, because 204795243 - 2⁶ = 204795179 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 204795198 and 204795207.

It is not an unprimeable number, because it can be changed into a prime (204795043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200073 + ... + 201093.

It is an arithmetic number, because the mean of its divisors is an integer number (5518800).

Almost surely, 2^204795243 is an apocalyptic number.

204795243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204795243 is a deficient number, since it is larger than the sum of its proper divisors (148407957).

204795243 is a wasteful number, since it uses less digits than its factorization.

204795243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 204795243 is about 14310.6688522934. The cubic root of 204795243 is about 589.4404759612.

The spelling of 204795243 in words is "two hundred four million, seven hundred ninety-five thousand, two hundred forty-three".