243428960 has 48 divisors (see below), whose sum is σ = 578095056. Its totient is φ = 96864768.

The previous prime is 243428951. The next prime is 243428989. The reversal of 243428960 is 69824342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27659 + ... + 35381.

It is an arithmetic number, because the mean of its divisors is an integer number (12043647).

Almost surely, 2^243428960 is an apocalyptic number.

243428960 is a gapful number since it is divisible by the number (20) 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 243428960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289047528).

243428960 is an abundant number, since it is smaller than the sum of its proper divisors (334666096).

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

243428960 is a wasteful number, since it uses less digits than its factorization.

243428960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935 (or 7927 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 243428960 is about 15602.2100998544. The cubic root of 243428960 is about 624.3921214990.

The spelling of 243428960 in words is "two hundred forty-three million, four hundred twenty-eight thousand, nine hundred sixty".