204284329 has 4 divisors (see below), whose sum is σ = 206267776. Its totient is φ = 202300884.

The previous prime is 204284299. The next prime is 204284347. The reversal of 204284329 is 923482402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204284329 - 2¹⁹ = 203760041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204284294 and 204284303.

It is not an unprimeable number, because it can be changed into a prime (204284429) 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, 991569 + ... + 991774.

It is an arithmetic number, because the mean of its divisors is an integer number (51566944).

Almost surely, 2^204284329 is an apocalyptic number.

It is an amenable number.

204284329 is a deficient number, since it is larger than the sum of its proper divisors (1983447).

204284329 is a wasteful number, since it uses less digits than its factorization.

204284329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983446.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 204284329 is about 14292.8068971773. The cubic root of 204284329 is about 588.9498978774.

The spelling of 204284329 in words is "two hundred four million, two hundred eighty-four thousand, three hundred twenty-nine".