243464256 has 84 divisors (see below), whose sum is σ = 797551872. Its totient is φ = 69560064.

The previous prime is 243464239. The next prime is 243464261. The reversal of 243464256 is 652464342.

243464256 is a `hidden beast` number, since 2 + 4 + 3 + 4 + 642 + 5 + 6 = 666.

243464256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is a self number, because there is not a number n which added to its sum of digits gives 243464256.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26160 + ... + 34223.

Almost surely, 2^243464256 is an apocalyptic number.

It is an amenable number.

243464256 is an abundant number, since it is smaller than the sum of its proper divisors (554087616).

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

243464256 is a wasteful number, since it uses less digits than its factorization.

243464256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60408 (or 60395 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 243464256 is about 15603.3411806574. The cubic root of 243464256 is about 624.4222979678.

The spelling of 243464256 in words is "two hundred forty-three million, four hundred sixty-four thousand, two hundred fifty-six".