243027630 has 48 divisors (see below), whose sum is σ = 634757760. Its totient is φ = 64511424.

The previous prime is 243027619. The next prime is 243027641. The reversal of 243027630 is 36720342.

243027630 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 27 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (243027619) and next prime (243027641).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243027594 and 243027603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14016 + ... + 26124.

It is an arithmetic number, because the mean of its divisors is an integer number (13224120).

Almost surely, 2^243027630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243027630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317378880).

243027630 is an abundant number, since it is smaller than the sum of its proper divisors (391730130).

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

243027630 is a wasteful number, since it uses less digits than its factorization.

243027630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345 (or 12342 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 243027630 is about 15589.3434755925. The cubic root of 243027630 is about 624.0487973427.

Adding to 243027630 its reverse (36720342), we get a palindrome (279747972).

The spelling of 243027630 in words is "two hundred forty-three million, twenty-seven thousand, six hundred thirty".