238718812 has 24 divisors (see below), whose sum is σ = 440576640. Its totient is φ = 112863600.

The previous prime is 238718791. The next prime is 238718839. The reversal of 238718812 is 218817832.

It is a congruent number.

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, 41937 + ... + 47287.

It is an arithmetic number, because the mean of its divisors is an integer number (18357360).

Almost surely, 2^238718812 is an apocalyptic number.

It is an amenable number.

238718812 is a deficient number, since it is larger than the sum of its proper divisors (201857828).

238718812 is a wasteful number, since it uses less digits than its factorization.

238718812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 5959 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 238718812 is about 15450.5278874218. The cubic root of 238718812 is about 620.3387084422.

The spelling of 238718812 in words is "two hundred thirty-eight million, seven hundred eighteen thousand, eight hundred twelve".