238487385 has 32 divisors (see below), whose sum is σ = 393196032. Its totient is φ = 123344640.

The previous prime is 238487323. The next prime is 238487393. The reversal of 238487385 is 583784832.

It is not a de Polignac number, because 238487385 - 2⁸ = 238487129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238707 + ... + 239703.

It is an arithmetic number, because the mean of its divisors is an integer number (12287376).

Almost surely, 2^238487385 is an apocalyptic number.

It is an amenable number.

238487385 is a deficient number, since it is larger than the sum of its proper divisors (154708647).

238487385 is a wasteful number, since it uses less digits than its factorization.

238487385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

The product of its digits is 1290240, while the sum is 48.

The square root of 238487385 is about 15443.0367803745. The cubic root of 238487385 is about 620.1381802661.

The spelling of 238487385 in words is "two hundred thirty-eight million, four hundred eighty-seven thousand, three hundred eighty-five".