243708972 has 48 divisors (see below), whose sum is σ = 644636160. Its totient is φ = 71039808.

The previous prime is 243708931. The next prime is 243708977. The reversal of 243708972 is 279807342.

It is not an unprimeable number, because it can be changed into a prime (243708977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38148 + ... + 44075.

It is an arithmetic number, because the mean of its divisors is an integer number (13429920).

Almost surely, 2^243708972 is an apocalyptic number.

It is an amenable number.

243708972 is an abundant number, since it is smaller than the sum of its proper divisors (400927188).

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

243708972 is a wasteful number, since it uses less digits than its factorization.

243708972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82262 (or 82260 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 243708972 is about 15611.1809931216. The cubic root of 243708972 is about 624.6314388096.

The spelling of 243708972 in words is "two hundred forty-three million, seven hundred eight thousand, nine hundred seventy-two".