243056004 has 96 divisors (see below), whose sum is σ = 618782976. Its totient is φ = 73973760.

The previous prime is 243055993. The next prime is 243056059. The reversal of 243056004 is 400650342.

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, 1404862 + ... + 1405034.

It is an arithmetic number, because the mean of its divisors is an integer number (6445656).

Almost surely, 2^243056004 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 243056004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309391488).

243056004 is an abundant number, since it is smaller than the sum of its proper divisors (375726972).

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

243056004 is a wasteful number, since it uses less digits than its factorization.

243056004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 243056004 is about 15590.2534937698. The cubic root of 243056004 is about 624.0730827453.

The spelling of 243056004 in words is "two hundred forty-three million, fifty-six thousand, four".