243495394 has 16 divisors (see below), whose sum is σ = 367804800. Its totient is φ = 120897280.

The previous prime is 243495383. The next prime is 243495401. The reversal of 243495394 is 493594342.

243495394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243495394.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235659 + ... + 236689.

It is an arithmetic number, because the mean of its divisors is an integer number (22987800).

Almost surely, 2^243495394 is an apocalyptic number.

243495394 is a deficient number, since it is larger than the sum of its proper divisors (124309406).

243495394 is a wasteful number, since it uses less digits than its factorization.

243495394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745.

The product of its digits is 466560, while the sum is 43.

The square root of 243495394 is about 15604.3389478696. The cubic root of 243495394 is about 624.4489171151.

The spelling of 243495394 in words is "two hundred forty-three million, four hundred ninety-five thousand, three hundred ninety-four".