243062928 has 30 divisors (see below), whose sum is σ = 680239014. Its totient is φ = 81020928.

The previous prime is 243062921. The next prime is 243062947. The reversal of 243062928 is 829260342.

243062928 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 629 + 28 = 666.

243062928 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., 133818624 + 109244304 = 11568^2 + 10452^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 243062892 and 243062901.

It is not an unprimeable number, because it can be changed into a prime (243062921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 843825 + ... + 844112.

Almost surely, 2^243062928 is an apocalyptic number.

It is an amenable number.

243062928 is an abundant number, since it is smaller than the sum of its proper divisors (437176086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243062928 is a wasteful number, since it uses less digits than its factorization.

243062928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687951 (or 1687942 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 243062928 is about 15590.4755540041. The cubic root of 243062928 is about 624.0790087334.

The spelling of 243062928 in words is "two hundred forty-three million, sixty-two thousand, nine hundred twenty-eight".