243963472 has 10 divisors (see below), whose sum is σ = 472679258. Its totient is φ = 121981728.

The previous prime is 243963449. The next prime is 243963479. The reversal of 243963472 is 274369342.

243963472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 235806736 + 8156736 = 15356^2 + 2856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243963479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7623843 + ... + 7623874.

Almost surely, 2^243963472 is an apocalyptic number.

It is an amenable number.

243963472 is a deficient number, since it is larger than the sum of its proper divisors (228715786).

243963472 is a wasteful number, since it uses less digits than its factorization.

243963472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15247725 (or 15247719 counting only the distinct ones).

The product of its digits is 217728, while the sum is 40.

The square root of 243963472 is about 15619.3300752625. The cubic root of 243963472 is about 624.8487928612.

The spelling of 243963472 in words is "two hundred forty-three million, nine hundred sixty-three thousand, four hundred seventy-two".