243380004 has 24 divisors (see below), whose sum is σ = 649013568. Its totient is φ = 69537120.

The previous prime is 243379991. The next prime is 243380009. The reversal of 243380004 is 400083342.

It is not an unprimeable number, because it can be changed into a prime (243380009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448607 + ... + 1448774.

It is an arithmetic number, because the mean of its divisors is an integer number (27042232).

Almost surely, 2^243380004 is an apocalyptic number.

It is an amenable number.

243380004 is an abundant number, since it is smaller than the sum of its proper divisors (405633564).

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

243380004 is a wasteful number, since it uses less digits than its factorization.

243380004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897395 (or 2897393 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 243380004 is about 15600.6411406711. The cubic root of 243380004 is about 624.3502615246.

The spelling of 243380004 in words is "two hundred forty-three million, three hundred eighty thousand, four".