243359424 has 448 divisors, whose sum is σ = 936345600. Its totient is φ = 60134400.

The previous prime is 243359381. The next prime is 243359447. The reversal of 243359424 is 424953342.

243359424 is a `hidden beast` number, since 2 + 43 + 3 + 594 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×243359424² = 118447618499223552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4124707 + ... + 4124765.

Almost surely, 2^243359424 is an apocalyptic number.

243359424 is a gapful number since it is divisible by the number (24) 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 243359424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468172800).

243359424 is an abundant number, since it is smaller than the sum of its proper divisors (692986176).

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

243359424 is a wasteful number, since it uses less digits than its factorization.

243359424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 113 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 243359424 is about 15599.9815384506. The cubic root of 243359424 is about 624.3326628581.

The spelling of 243359424 in words is "two hundred forty-three million, three hundred fifty-nine thousand, four hundred twenty-four".