243568028 has 12 divisors (see below), whose sum is σ = 464993592. Its totient is φ = 110712720.

The previous prime is 243567979. The next prime is 243568033. The reversal of 243568028 is 820865342.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 243567982 and 243568000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767775 + ... + 2767862.

It is an arithmetic number, because the mean of its divisors is an integer number (38749466).

Almost surely, 2^243568028 is an apocalyptic number.

It is an amenable number.

243568028 is a deficient number, since it is larger than the sum of its proper divisors (221425564).

243568028 is a wasteful number, since it uses less digits than its factorization.

243568028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535652 (or 5535650 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 243568028 is about 15606.6661398263. Note that the first 3 decimals coincide. The cubic root of 243568028 is about 624.5110014017.

The spelling of 243568028 in words is "two hundred forty-three million, five hundred sixty-eight thousand, twenty-eight".