238683851 has 12 divisors (see below), whose sum is σ = 282362040. Its totient is φ = 201116160.

The previous prime is 238683839. The next prime is 238683853. The reversal of 238683851 is 158386832.

238683851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238683851 - 2²² = 234489547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238683853) 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, 38390 + ... + 44171.

It is an arithmetic number, because the mean of its divisors is an integer number (23530170).

Almost surely, 2^238683851 is an apocalyptic number.

238683851 is a deficient number, since it is larger than the sum of its proper divisors (43678189).

238683851 is an equidigital number, since it uses as much as digits as its factorization.

238683851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82634 (or 82627 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 238683851 is about 15449.3964607036. The cubic root of 238683851 is about 620.3084235501.

The spelling of 238683851 in words is "two hundred thirty-eight million, six hundred eighty-three thousand, eight hundred fifty-one".