238066447 has 16 divisors (see below), whose sum is σ = 257825920. Its totient is φ = 219088800.

The previous prime is 238066441. The next prime is 238066471. The reversal of 238066447 is 744660832.

It is a happy number.

238066447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 238066447 - 2¹¹ = 238064399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238066441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171697 + ... + 173077.

It is an arithmetic number, because the mean of its divisors is an integer number (16114120).

Almost surely, 2^238066447 is an apocalyptic number.

238066447 is a deficient number, since it is larger than the sum of its proper divisors (19759473).

238066447 is a wasteful number, since it uses less digits than its factorization.

238066447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 238066447 is about 15429.4020298909. The cubic root of 238066447 is about 619.7731107017.

The spelling of 238066447 in words is "two hundred thirty-eight million, sixty-six thousand, four hundred forty-seven".