243428968 has 8 divisors (see below), whose sum is σ = 456429330. Its totient is φ = 121714480.

The previous prime is 243428951. The next prime is 243428989. The reversal of 243428968 is 869824342.

It can be written as a sum of positive squares in only one way, i.e., 147428164 + 96000804 = 12142^2 + 9798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 15214303 + ... + 15214318.

Almost surely, 2^243428968 is an apocalyptic number.

It is an amenable number.

243428968 is a deficient number, since it is larger than the sum of its proper divisors (213000362).

243428968 is a wasteful number, since it uses less digits than its factorization.

243428968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30428627 (or 30428623 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 243428968 is about 15602.2103562284. The cubic root of 243428968 is about 624.3921283389.

The spelling of 243428968 in words is "two hundred forty-three million, four hundred twenty-eight thousand, nine hundred sixty-eight".