243878032 has 20 divisors (see below), whose sum is σ = 473310976. Its totient is φ = 121733280.

The previous prime is 243878027. The next prime is 243878051. The reversal of 243878032 is 230878342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243877982 and 243878000.

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, 2844 + ... + 22267.

Almost surely, 2^243878032 is an apocalyptic number.

It is an amenable number.

243878032 is a deficient number, since it is larger than the sum of its proper divisors (229432944).

243878032 is a wasteful number, since it uses less digits than its factorization.

243878032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25726 (or 25720 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 243878032 is about 15616.5947632639. The cubic root of 243878032 is about 624.7758402535.

The spelling of 243878032 in words is "two hundred forty-three million, eight hundred seventy-eight thousand, thirty-two".