238938415 has 24 divisors (see below), whose sum is σ = 299657232. Its totient is φ = 182856960.

The previous prime is 238938391. The next prime is 238938419. The reversal of 238938415 is 514839832.

It is not a de Polignac number, because 238938415 - 2⁹ = 238937903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238938419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458355 + ... + 458875.

It is an arithmetic number, because the mean of its divisors is an integer number (12485718).

Almost surely, 2^238938415 is an apocalyptic number.

238938415 is a deficient number, since it is larger than the sum of its proper divisors (60718817).

238938415 is an equidigital number, since it uses as much as digits as its factorization.

238938415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 630 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 238938415 is about 15457.6329041674. The cubic root of 238938415 is about 620.5288714886.

It can be divided in two parts, 2389 and 38415, that added together give a palindrome (40804).

The spelling of 238938415 in words is "two hundred thirty-eight million, nine hundred thirty-eight thousand, four hundred fifteen".