243965968 has 20 divisors (see below), whose sum is σ = 493236288. Its totient is φ = 116679200.

The previous prime is 243965957. The next prime is 243965971. The reversal of 243965968 is 869569342.

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, 331108 + ... + 331843.

Almost surely, 2^243965968 is an apocalyptic number.

It is an amenable number.

243965968 is an abundant number, since it is smaller than the sum of its proper divisors (249270320).

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

243965968 is a wasteful number, since it uses less digits than its factorization.

243965968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662982 (or 662976 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The square root of 243965968 is about 15619.4099760522. The cubic root of 243965968 is about 624.8509238049.

The spelling of 243965968 in words is "two hundred forty-three million, nine hundred sixty-five thousand, nine hundred sixty-eight".