243632 has 10 divisors (see below), whose sum is σ = 472068. Its totient is φ = 121808.

The previous prime is 243631. The next prime is 243643. The reversal of 243632 is 236342.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁵ + 6² + 3⁹ + 3¹⁰ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (243631) 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 as a sum of consecutive naturals, namely, 7598 + ... + 7629.

2²⁴³⁶³² is an apocalyptic number.

It is an amenable number.

243632 is a deficient number, since it is larger than the sum of its proper divisors (228436).

243632 is a wasteful number, since it uses less digits than its factorization.

243632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235 (or 15229 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 243632 is about 493.5909237415. The cubic root of 243632 is about 62.4565671577.

Adding to 243632 its reverse (236342), we get a palindrome (479974).

It can be divided in two parts, 2 and 43632, that added together give a palindrome (43634).

The spelling of 243632 in words is "two hundred forty-three thousand, six hundred thirty-two".