243968132 has 36 divisors (see below), whose sum is σ = 455096880. Its totient is φ = 114411312.

The previous prime is 243968119. The next prime is 243968147. The reversal of 243968132 is 231869342.

It is a Harshad number since it is a multiple of its sum of digits (38).

Its product of digits (62208) is a multiple of the sum of its prime factors (1728).

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, 153719 + ... + 155297.

It is an arithmetic number, because the mean of its divisors is an integer number (12641580).

Almost surely, 2^243968132 is an apocalyptic number.

It is an amenable number.

243968132 is a deficient number, since it is larger than the sum of its proper divisors (211128748).

243968132 is a wasteful number, since it uses less digits than its factorization.

243968132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1707 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 243968132 is about 15619.4792486818. The cubic root of 243968132 is about 624.8527712940.

The spelling of 243968132 in words is "two hundred forty-three million, nine hundred sixty-eight thousand, one hundred thirty-two".