243272426 has 16 divisors (see below), whose sum is σ = 381302208. Its totient is φ = 116186400.

The previous prime is 243272383. The next prime is 243272441. The reversal of 243272426 is 624272342.

It is a junction number, because it is equal to n+sod(n) for n = 243272392 and 243272401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34046 + ... + 40566.

It is an arithmetic number, because the mean of its divisors is an integer number (23831388).

Almost surely, 2^243272426 is an apocalyptic number.

243272426 is a deficient number, since it is larger than the sum of its proper divisors (138029782).

243272426 is a wasteful number, since it uses less digits than its factorization.

243272426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357.

The product of its digits is 32256, while the sum is 32.

The square root of 243272426 is about 15597.1928884655. The cubic root of 243272426 is about 624.2582569091.

The spelling of 243272426 in words is "two hundred forty-three million, two hundred seventy-two thousand, four hundred twenty-six".