256204 has 18 divisors (see below), whose sum is σ = 486780. Its totient is φ = 117936.

The previous prime is 256199. The next prime is 256211. The reversal of 256204 is 402652.

256204 = T₁₉₂ + T₁₉₃ + ... + T₂₀₄.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 487 + ... + 865.

2²⁵⁶²⁰⁴ is an apocalyptic number.

It is an amenable number.

256204 is a deficient number, since it is larger than the sum of its proper divisors (230576).

256204 is a wasteful number, since it uses less digits than its factorization.

256204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 256204 is about 506.1659806822. The cubic root of 256204 is about 63.5129037368.

Adding to 256204 its reverse (402652), we get a palindrome (658856).

The spelling of 256204 in words is "two hundred fifty-six thousand, two hundred four".