243484416 has 216 divisors, whose sum is σ = 829896704. Its totient is φ = 67184640.

The previous prime is 243484391. The next prime is 243484429. The reversal of 243484416 is 614484342.

It is a super-2 number, since 2×243484416² = 118569321669722112, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499725 + ... + 500211.

Almost surely, 2^243484416 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 243484416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414948352).

243484416 is an abundant number, since it is smaller than the sum of its proper divisors (586412288).

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

243484416 is a wasteful number, since it uses less digits than its factorization.

243484416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 530 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 243484416 is about 15603.9871827684. The cubic root of 243484416 is about 624.4395325389.

The spelling of 243484416 in words is "two hundred forty-three million, four hundred eighty-four thousand, four hundred sixteen".