256206234 has 8 divisors (see below), whose sum is σ = 512412480. Its totient is φ = 85402076.

The previous prime is 256206233. The next prime is 256206281. The reversal of 256206234 is 432602652.

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

256206234 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (256206233) 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, 21350514 + ... + 21350525.

It is an arithmetic number, because the mean of its divisors is an integer number (64051560).

Almost surely, 2^256206234 is an apocalyptic number.

256206234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256206234 is a wasteful number, since it uses less digits than its factorization.

256206234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42701044.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 256206234 is about 16006.4435150348. The cubic root of 256206234 is about 635.1308833895.

Adding to 256206234 its reverse (432602652), we get a palindrome (688808886).

The spelling of 256206234 in words is "two hundred fifty-six million, two hundred six thousand, two hundred thirty-four".