243613630 has 96 divisors (see below), whose sum is σ = 518464800. Its totient is φ = 81817344.

The previous prime is 243613613. The next prime is 243613633. The reversal of 243613630 is 36316342.

It is a super-3 number, since 3×243613630³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243613633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1360881 + ... + 1361059.

It is an arithmetic number, because the mean of its divisors is an integer number (5400675).

Almost surely, 2^243613630 is an apocalyptic number.

243613630 is an abundant number, since it is smaller than the sum of its proper divisors (274851170).

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

243613630 is a wasteful number, since it uses less digits than its factorization.

243613630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 243613630 is about 15608.1270497136. The cubic root of 243613630 is about 624.5499736398.

Adding to 243613630 its reverse (36316342), we get a palindrome (279929972).

The spelling of 243613630 in words is "two hundred forty-three million, six hundred thirteen thousand, six hundred thirty".