243096956 has 24 divisors (see below), whose sum is σ = 444096576. Its totient is φ = 116320320.

The previous prime is 243096929. The next prime is 243096977. The reversal of 243096956 is 659690342.

It is a super-2 number, since 2×243096956² = 118192260032931872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (18504024).

Almost surely, 2^243096956 is an apocalyptic number.

It is an amenable number.

243096956 is a deficient number, since it is larger than the sum of its proper divisors (200999620).

243096956 is a wasteful number, since it uses less digits than its factorization.

243096956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27029 (or 27027 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 243096956 is about 15591.5668231259. The cubic root of 243096956 is about 624.1081303684.

The spelling of 243096956 in words is "two hundred forty-three million, ninety-six thousand, nine hundred fifty-six".