243440098 has 32 divisors (see below), whose sum is σ = 407151360. Its totient is φ = 108240000.

The previous prime is 243440089. The next prime is 243440101. The reversal of 243440098 is 890044342.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 197143 + ... + 198373.

It is an arithmetic number, because the mean of its divisors is an integer number (12723480).

Almost surely, 2^243440098 is an apocalyptic number.

243440098 is a deficient number, since it is larger than the sum of its proper divisors (163711262).

243440098 is a wasteful number, since it uses less digits than its factorization.

243440098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 243440098 is about 15602.5670323828. The cubic root of 243440098 is about 624.4016442955.

The spelling of 243440098 in words is "two hundred forty-three million, four hundred forty thousand, ninety-eight".