238998395 has 8 divisors (see below), whose sum is σ = 286883856. Its totient is φ = 191141536.

The previous prime is 238998391. The next prime is 238998413. The reversal of 238998395 is 593899832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238998395 - 2² = 238998391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238998395.

It is not an unprimeable number, because it can be changed into a prime (238998391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22184 + ... + 31146.

It is an arithmetic number, because the mean of its divisors is an integer number (35860482).

Almost surely, 2^238998395 is an apocalyptic number.

238998395 is a deficient number, since it is larger than the sum of its proper divisors (47885461).

238998395 is an equidigital number, since it uses as much as digits as its factorization.

238998395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301.

The product of its digits is 4199040, while the sum is 56.

The square root of 238998395 is about 15459.5729242434. The cubic root of 238998395 is about 620.5807903172.

The spelling of 238998395 in words is "two hundred thirty-eight million, nine hundred ninety-eight thousand, three hundred ninety-five".