238846861 has 12 divisors (see below), whose sum is σ = 263469276. Its totient is φ = 216360320.

The previous prime is 238846793. The next prime is 238846873. The reversal of 238846861 is 168648832.

238846861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183060900 + 55785961 = 13530^2 + 7469^2 .

It is not a de Polignac number, because 238846861 - 2¹³ = 238838669 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 (238846561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32085 + ... + 38821.

It is an arithmetic number, because the mean of its divisors is an integer number (21955773).

Almost surely, 2^238846861 is an apocalyptic number.

It is an amenable number.

238846861 is a deficient number, since it is larger than the sum of its proper divisors (24622415).

238846861 is a wasteful number, since it uses less digits than its factorization.

238846861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052 (or 7041 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 238846861 is about 15454.6711708790. The cubic root of 238846861 is about 620.4496053758.

The spelling of 238846861 in words is "two hundred thirty-eight million, eight hundred forty-six thousand, eight hundred sixty-one".