238915269 has 6 divisors (see below), whose sum is σ = 345099846. Its totient is φ = 159276840.

The previous prime is 238915231. The next prime is 238915273. The reversal of 238915269 is 962519832.

238915269 is a `hidden beast` number, since 2 + 38 + 91 + 526 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 229068225 + 9847044 = 15135^2 + 3138^2 .

It is not a de Polignac number, because 238915269 - 2¹¹ = 238913221 is a prime.

It is a super-2 number, since 2×238915269² = 114161011522684722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238915289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13273062 + ... + 13273079.

It is an arithmetic number, because the mean of its divisors is an integer number (57516641).

Almost surely, 2^238915269 is an apocalyptic number.

It is an amenable number.

238915269 is a deficient number, since it is larger than the sum of its proper divisors (106184577).

238915269 is a wasteful number, since it uses less digits than its factorization.

238915269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26546147 (or 26546144 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 238915269 is about 15456.8841944294. The cubic root of 238915269 is about 620.5088339334.

The spelling of 238915269 in words is "two hundred thirty-eight million, nine hundred fifteen thousand, two hundred sixty-nine".