238399395 has 16 divisors (see below), whose sum is σ = 410780832. Its totient is φ = 117365760.

The previous prime is 238399387. The next prime is 238399397. The reversal of 238399395 is 593993832.

It is not a de Polignac number, because 238399395 - 2³ = 238399387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238399397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611086 + ... + 611475.

It is an arithmetic number, because the mean of its divisors is an integer number (25673802).

Almost surely, 2^238399395 is an apocalyptic number.

238399395 is a deficient number, since it is larger than the sum of its proper divisors (172381437).

238399395 is a wasteful number, since it uses less digits than its factorization.

238399395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222582.

The product of its digits is 1574640, while the sum is 51.

The square root of 238399395 is about 15440.1876607767. The cubic root of 238399395 is about 620.0619041554.

The spelling of 238399395 in words is "two hundred thirty-eight million, three hundred ninety-nine thousand, three hundred ninety-five".