204670 has 16 divisors (see below), whose sum is σ = 373968. Its totient is φ = 80640.

The previous prime is 204667. The next prime is 204679. The reversal of 204670 is 76402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (23373).

2²⁰⁴⁶⁷⁰ is an apocalyptic number.

204670 is a deficient number, since it is larger than the sum of its proper divisors (169298).

204670 is a wasteful number, since it uses less digits than its factorization.

204670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 204670 is about 452.4046860942. The cubic root of 204670 is about 58.9320293568.

It can be divided in two parts, 2046 and 70, that added together give a square (2116 = 46²).

The spelling of 204670 in words is "two hundred four thousand, six hundred seventy".