243480969 has 12 divisors (see below), whose sum is σ = 352435200. Its totient is φ = 161978904.

The previous prime is 243480947. The next prime is 243480983. The reversal of 243480969 is 969084342.

It is not a de Polignac number, because 243480969 - 2⁷ = 243480841 is a prime.

It is a super-2 number, since 2×243480969² = 118565964530357922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243480869) 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 11 ways as a sum of consecutive naturals, for example, 23929 + ... + 32550.

It is an arithmetic number, because the mean of its divisors is an integer number (29369600).

Almost surely, 2^243480969 is an apocalyptic number.

It is an amenable number.

243480969 is a deficient number, since it is larger than the sum of its proper divisors (108954231).

243480969 is a wasteful number, since it uses less digits than its factorization.

243480969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56964 (or 56961 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 243480969 is about 15603.8767298386. The cubic root of 243480969 is about 624.4365858024.

The spelling of 243480969 in words is "two hundred forty-three million, four hundred eighty thousand, nine hundred sixty-nine".