243352620 has 288 divisors, whose sum is σ = 934234560. Its totient is φ = 52254720.

The previous prime is 243352583. The next prime is 243352621. The reversal of 243352620 is 26253342.

243352620 is a `hidden beast` number, since 2 + 4 + 3 + 35 + 2 + 620 = 666.

243352620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (243352621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 449550 + ... + 450090.

It is an arithmetic number, because the mean of its divisors is an integer number (3243870).

Almost surely, 2^243352620 is an apocalyptic number.

243352620 is a gapful number since it is divisible by the number (20) 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 243352620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467117280).

243352620 is an abundant number, since it is smaller than the sum of its proper divisors (690881940).

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

243352620 is a wasteful number, since it uses less digits than its factorization.

243352620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 243352620 is about 15599.7634597452. The cubic root of 243352620 is about 624.3268443052.

The spelling of 243352620 in words is "two hundred forty-three million, three hundred fifty-two thousand, six hundred twenty".