204864343 has 4 divisors (see below), whose sum is σ = 208336680. Its totient is φ = 201392008.

The previous prime is 204864329. The next prime is 204864377. The reversal of 204864343 is 343468402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204864343 - 2⁵ = 204864311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204864299 and 204864308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204864313) 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, 1736080 + ... + 1736197.

It is an arithmetic number, because the mean of its divisors is an integer number (52084170).

Almost surely, 2^204864343 is an apocalyptic number.

204864343 is a deficient number, since it is larger than the sum of its proper divisors (3472337).

204864343 is an equidigital number, since it uses as much as digits as its factorization.

204864343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472336.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 204864343 is about 14313.0829313604. The cubic root of 204864343 is about 589.5067629124.

The spelling of 204864343 in words is "two hundred four million, eight hundred sixty-four thousand, three hundred forty-three".