256083738 has 8 divisors (see below), whose sum is σ = 512167488. Its totient is φ = 85361244.

The previous prime is 256083713. The next prime is 256083739. The reversal of 256083738 is 837380652.

256083738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

256083738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 256083738.

It is not an unprimeable number, because it can be changed into a prime (256083739) 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, 21340306 + ... + 21340317.

It is an arithmetic number, because the mean of its divisors is an integer number (64020936).

Almost surely, 2^256083738 is an apocalyptic number.

256083738 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.

256083738 is a wasteful number, since it uses less digits than its factorization.

256083738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42680628.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 256083738 is about 16002.6165985441. The cubic root of 256083738 is about 635.0296454219.

The spelling of 256083738 in words is "two hundred fifty-six million, eighty-three thousand, seven hundred thirty-eight".