243260004 has 96 divisors (see below), whose sum is σ = 669755520. Its totient is φ = 67995648.

The previous prime is 243259993. The next prime is 243260023. The reversal of 243260004 is 400062342.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75327 + ... + 78489.

It is an arithmetic number, because the mean of its divisors is an integer number (6976620).

Almost surely, 2^243260004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243260004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334877760).

243260004 is an abundant number, since it is smaller than the sum of its proper divisors (426495516).

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

243260004 is a wasteful number, since it uses less digits than its factorization.

243260004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229 (or 3227 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 243260004 is about 15596.7946707008. The cubic root of 243260004 is about 624.2476314165.

The spelling of 243260004 in words is "two hundred forty-three million, two hundred sixty thousand, four".