243089116 has 24 divisors (see below), whose sum is σ = 467268480. Its totient is φ = 110140272.

The previous prime is 243089089. The next prime is 243089117. The reversal of 243089116 is 611980342.

It is a super-2 number, since 2×243089116² = 118184636635322912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243089117) by changing a digit.

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, 67786 + ... + 71281.

It is an arithmetic number, because the mean of its divisors is an integer number (19469520).

Almost surely, 2^243089116 is an apocalyptic number.

It is an amenable number.

243089116 is a deficient number, since it is larger than the sum of its proper divisors (224179364).

243089116 is a wasteful number, since it uses less digits than its factorization.

243089116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139113 (or 139111 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 243089116 is about 15591.3154031339. The cubic root of 243089116 is about 624.1014210285.

The spelling of 243089116 in words is "two hundred forty-three million, eighty-nine thousand, one hundred sixteen".