243490562 has 16 divisors (see below), whose sum is σ = 428694720. Its totient is φ = 101532528.

The previous prime is 243490517. The next prime is 243490601. The reversal of 243490562 is 265094342.

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 7 ways as a sum of consecutive naturals, for example, 234512 + ... + 235547.

It is an arithmetic number, because the mean of its divisors is an integer number (26793420).

Almost surely, 2^243490562 is an apocalyptic number.

243490562 is a deficient number, since it is larger than the sum of its proper divisors (185204158).

243490562 is a wasteful number, since it uses less digits than its factorization.

243490562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470105.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 243490562 is about 15604.1841183703. The cubic root of 243490562 is about 624.4447865001. Note that the first 3 decimals are identical.

The spelling of 243490562 in words is "two hundred forty-three million, four hundred ninety thousand, five hundred sixty-two".