256323484 has 24 divisors (see below), whose sum is σ = 475629840. Its totient is φ = 120450816.

The previous prime is 256323461. The next prime is 256323499. The reversal of 256323484 is 484323652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54099 + ... + 58645.

It is an arithmetic number, because the mean of its divisors is an integer number (19817910).

Almost surely, 2^256323484 is an apocalyptic number.

It is an amenable number.

256323484 is a deficient number, since it is larger than the sum of its proper divisors (219306356).

256323484 is a wasteful number, since it uses less digits than its factorization.

256323484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397 (or 5395 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 256323484 is about 16010.1056835987. The cubic root of 256323484 is about 635.2277555301.

The spelling of 256323484 in words is "two hundred fifty-six million, three hundred twenty-three thousand, four hundred eighty-four".