243264984 has 16 divisors (see below), whose sum is σ = 608162520. Its totient is φ = 81088320.

The previous prime is 243264977. The next prime is 243265003. The reversal of 243264984 is 489462342.

It is a congruent number.

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, 5067997 + ... + 5068044.

Almost surely, 2^243264984 is an apocalyptic number.

243264984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243264984 is an abundant number, since it is smaller than the sum of its proper divisors (364897536).

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

243264984 is a wasteful number, since it uses less digits than its factorization.

243264984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136050 (or 10136046 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 243264984 is about 15596.9543180712. The cubic root of 243264984 is about 624.2518912372.

The spelling of 243264984 in words is "two hundred forty-three million, two hundred sixty-four thousand, nine hundred eighty-four".