47238 has 8 divisors (see below), whose sum is σ = 94488. Its totient is φ = 15744.

The previous prime is 47237. The next prime is 47251. The reversal of 47238 is 83274.

It is a sphenic number, since it is the product of 3 distinct primes.

47238 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (11811).

2⁴⁷²³⁸ is an apocalyptic number.

47238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47244).

47238 is a wasteful number, since it uses less digits than its factorization.

47238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878.

The product of its digits is 1344, while the sum is 24.

The square root of 47238 is about 217.3430468177. The cubic root of 47238 is about 36.1490732054.

The spelling of 47238 in words is "forty-seven thousand, two hundred thirty-eight".