204280329 has 8 divisors (see below), whose sum is σ = 297135072. Its totient is φ = 123806240.

The previous prime is 204280247. The next prime is 204280331. The reversal of 204280329 is 923082402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204280329 - 2⁷ = 204280201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204280296 and 204280305.

It is not an unprimeable number, because it can be changed into a prime (204280369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3095124 + ... + 3095189.

It is an arithmetic number, because the mean of its divisors is an integer number (37141884).

Almost surely, 2^204280329 is an apocalyptic number.

It is an amenable number.

204280329 is a deficient number, since it is larger than the sum of its proper divisors (92854743).

204280329 is a wasteful number, since it uses less digits than its factorization.

204280329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190327.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 204280329 is about 14292.6669659654. Note that the first 3 decimals coincide. The cubic root of 204280329 is about 588.9460538642.

The spelling of 204280329 in words is "two hundred four million, two hundred eighty thousand, three hundred twenty-nine".