204648 has 16 divisors (see below), whose sum is σ = 511680. Its totient is φ = 68208.

The previous prime is 204641. The next prime is 204667. The reversal of 204648 is 846402.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 8527 = 204648 / (2 + 0 + 4 + 6 + 4 + 8).

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 6⁵ + 4⁴ + 4⁸ + 8 .

It is not an unprimeable number, because it can be changed into a prime (204641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4240 + ... + 4287.

It is an arithmetic number, because the mean of its divisors is an integer number (31980).

2²⁰⁴⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

204648 is an abundant number, since it is smaller than the sum of its proper divisors (307032).

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

204648 is a wasteful number, since it uses less digits than its factorization.

204648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536 (or 8532 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 204648 is about 452.3803709269. The cubic root of 204648 is about 58.9299177444.

The spelling of 204648 in words is "two hundred four thousand, six hundred forty-eight".