256038084 has 30 divisors (see below), whose sum is σ = 669334974. Its totient is φ = 85345920.

The previous prime is 256038077. The next prime is 256038089. The reversal of 256038084 is 480830652.

It can be written as a sum of positive squares in only one way, i.e., 168428484 + 87609600 = 12978^2 + 9360^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256038089) 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 9 ways as a sum of consecutive naturals, for example, 394797 + ... + 395444.

Almost surely, 2^256038084 is an apocalyptic number.

It is an amenable number.

256038084 is an abundant number, since it is smaller than the sum of its proper divisors (413296890).

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

256038084 is a wasteful number, since it uses less digits than its factorization.

256038084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790257 (or 790246 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 256038084 is about 16001.1900807409. The cubic root of 256038084 is about 634.9919059873.

The spelling of 256038084 in words is "two hundred fifty-six million, thirty-eight thousand, eighty-four".