243968632 has 16 divisors (see below), whose sum is σ = 484349760. Its totient is φ = 114808704.

The previous prime is 243968611. The next prime is 243968653. The reversal of 243968632 is 236869342.

243968632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243968611) and next prime (243968653).

It is a super-3 number, since 3×243968632³ (a number of 26 digits) contains 333 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896808 + ... + 897079.

It is an arithmetic number, because the mean of its divisors is an integer number (30271860).

Almost surely, 2^243968632 is an apocalyptic number.

It is an amenable number.

243968632 is a deficient number, since it is larger than the sum of its proper divisors (240381128).

243968632 is a wasteful number, since it uses less digits than its factorization.

243968632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793910 (or 1793906 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 243968632 is about 15619.4952543288. The cubic root of 243968632 is about 624.8531981615.

The spelling of 243968632 in words is "two hundred forty-three million, nine hundred sixty-eight thousand, six hundred thirty-two".