238765215 has 16 divisors (see below), whose sum is σ = 411411168. Its totient is φ = 117545856.

The previous prime is 238765213. The next prime is 238765223. The reversal of 238765215 is 512567832.

It is not a de Polignac number, because 238765215 - 2¹ = 238765213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238765211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612024 + ... + 612413.

It is an arithmetic number, because the mean of its divisors is an integer number (25713198).

Almost surely, 2^238765215 is an apocalyptic number.

238765215 is a deficient number, since it is larger than the sum of its proper divisors (172645953).

238765215 is a wasteful number, since it uses less digits than its factorization.

238765215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224458.

The product of its digits is 100800, while the sum is 39.

The square root of 238765215 is about 15452.0294783566. The cubic root of 238765215 is about 620.3789003762.

The spelling of 238765215 in words is "two hundred thirty-eight million, seven hundred sixty-five thousand, two hundred fifteen".