243488 has 24 divisors (see below), whose sum is σ = 548352. Its totient is φ = 104256.

The previous prime is 243487. The next prime is 243517. The reversal of 243488 is 884342.

243488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243488² = 118572812288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243488.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 243488.

It is not an unprimeable number, because it can be changed into a prime (243487) 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, 320 + ... + 767.

It is an arithmetic number, because the mean of its divisors is an integer number (22848).

2²⁴³⁴⁸⁸ is an apocalyptic number.

243488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243488 is an abundant number, since it is smaller than the sum of its proper divisors (304864).

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

243488 is a wasteful number, since it uses less digits than its factorization.

243488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1096 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 243488 is about 493.4450323998. The cubic root of 243488 is about 62.4442596363. Note that the first 3 decimals are identical.

The spelling of 243488 in words is "two hundred forty-three thousand, four hundred eighty-eight".