243472 has 10 divisors (see below), whose sum is σ = 471758. Its totient is φ = 121728.

The previous prime is 243469. The next prime is 243473. The reversal of 243472 is 274342.

243472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 9216 = 484^2 + 96^2 .

It is a super-2 number, since 2×243472² = 118557229568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7593 + ... + 7624.

2²⁴³⁴⁷² is an apocalyptic number.

It is an amenable number.

243472 is a deficient number, since it is larger than the sum of its proper divisors (228286).

243472 is a wasteful number, since it uses less digits than its factorization.

243472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15225 (or 15219 counting only the distinct ones).

The product of its digits is 1344, while the sum is 22.

The square root of 243472 is about 493.4288195880. The cubic root of 243472 is about 62.4428918344.

The spelling of 243472 in words is "two hundred forty-three thousand, four hundred seventy-two", and thus it is an iban number.