256034836 has 12 divisors (see below), whose sum is σ = 449657460. Its totient is φ = 127561280.

The previous prime is 256034767. The next prime is 256034839. The reversal of 256034836 is 638430652.

It can be written as a sum of positive squares in 2 ways, for example, as 201924100 + 54110736 = 14210^2 + 7356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 256034795 and 256034804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256034839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112771 + ... + 115018.

It is an arithmetic number, because the mean of its divisors is an integer number (37471455).

Almost surely, 2^256034836 is an apocalyptic number.

It is an amenable number.

256034836 is a deficient number, since it is larger than the sum of its proper divisors (193622624).

256034836 is a wasteful number, since it uses less digits than its factorization.

256034836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228074 (or 228072 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 256034836 is about 16001.0885879680. The cubic root of 256034836 is about 634.9892208888.

The spelling of 256034836 in words is "two hundred fifty-six million, thirty-four thousand, eight hundred thirty-six".