243903086 has 48 divisors (see below), whose sum is σ = 446925600. Its totient is φ = 99348480.

The previous prime is 243903083. The next prime is 243903103. The reversal of 243903086 is 680309342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243903083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542990 + ... + 543438.

It is an arithmetic number, because the mean of its divisors is an integer number (9310950).

Almost surely, 2^243903086 is an apocalyptic number.

243903086 is a deficient number, since it is larger than the sum of its proper divisors (203022514).

243903086 is a wasteful number, since it uses less digits than its factorization.

243903086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 243903086 is about 15617.3969021729. The cubic root of 243903086 is about 624.7972342781.

The spelling of 243903086 in words is "two hundred forty-three million, nine hundred three thousand, eighty-six".