243893234 has 16 divisors (see below), whose sum is σ = 414718080. Its totient is φ = 106641360.

The previous prime is 243893201. The next prime is 243893239. The reversal of 243893234 is 432398342.

243893234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (243893239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246362 + ... + 247349.

It is an arithmetic number, because the mean of its divisors is an integer number (25919880).

Almost surely, 2^243893234 is an apocalyptic number.

243893234 is a deficient number, since it is larger than the sum of its proper divisors (170824846).

243893234 is a wasteful number, since it uses less digits than its factorization.

243893234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493745.

The product of its digits is 124416, while the sum is 38.

The square root of 243893234 is about 15617.0814815061. The cubic root of 243893234 is about 624.7888216673.

The spelling of 243893234 in words is "two hundred forty-three million, eight hundred ninety-three thousand, two hundred thirty-four".