243339264 has 312 divisors, whose sum is σ = 858678912. Its totient is φ = 64880640.

The previous prime is 243339221. The next prime is 243339281. The reversal of 243339264 is 462933342.

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

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5935084 + ... + 5935124.

It is an arithmetic number, because the mean of its divisors is an integer number (2752176).

Almost surely, 2^243339264 is an apocalyptic number.

243339264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243339264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429339456).

243339264 is an abundant number, since it is smaller than the sum of its proper divisors (615339648).

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

243339264 is a wasteful number, since it uses less digits than its factorization.

243339264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 76 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 243339264 is about 15599.3353704573. The cubic root of 243339264 is about 624.3154223860.

The spelling of 243339264 in words is "two hundred forty-three million, three hundred thirty-nine thousand, two hundred sixty-four".