243485008 has 40 divisors (see below), whose sum is σ = 509052488. Its totient is φ = 112154112.

The previous prime is 243484991. The next prime is 243485029. The reversal of 243485008 is 800584342.

It can be written as a sum of positive squares in 4 ways, for example, as 29506624 + 213978384 = 5432^2 + 14628^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151666 + ... + 153262.

Almost surely, 2^243485008 is an apocalyptic number.

It is an amenable number.

243485008 is an abundant number, since it is smaller than the sum of its proper divisors (265567480).

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

243485008 is a wasteful number, since it uses less digits than its factorization.

243485008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 243485008 is about 15604.0061522674. The cubic root of 243485008 is about 624.4400386190.

The spelling of 243485008 in words is "two hundred forty-three million, four hundred eighty-five thousand, eight".