238479385 has 8 divisors (see below), whose sum is σ = 286284096. Its totient is φ = 190710960.

The previous prime is 238479379. The next prime is 238479407. The reversal of 238479385 is 583974832.

238479385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 238479385 - 2¹³ = 238471193 is a prime.

It is a Duffinian 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, 8482 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (35785512).

Almost surely, 2^238479385 is an apocalyptic number.

It is an amenable number.

238479385 is a deficient number, since it is larger than the sum of its proper divisors (47804711).

238479385 is a wasteful number, since it uses less digits than its factorization.

238479385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143.

The product of its digits is 1451520, while the sum is 49.

The square root of 238479385 is about 15442.7777617888. Note that the first 4 decimals coincide. The cubic root of 238479385 is about 620.1312460616.

The spelling of 238479385 in words is "two hundred thirty-eight million, four hundred seventy-nine thousand, three hundred eighty-five".