238690395 has 24 divisors (see below), whose sum is σ = 429055536. Its totient is φ = 127300896.

The previous prime is 238690373. The next prime is 238690409. The reversal of 238690395 is 593096832.

It is not a de Polignac number, because 238690395 - 2⁸ = 238690139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 238690395.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97012 + ... + 99441.

It is an arithmetic number, because the mean of its divisors is an integer number (17877314).

Almost surely, 2^238690395 is an apocalyptic number.

238690395 is a deficient number, since it is larger than the sum of its proper divisors (190365141).

238690395 is an equidigital number, since it uses as much as digits as its factorization.

238690395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196473 (or 196461 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 238690395 is about 15449.6082474605. The cubic root of 238690395 is about 620.3140925012.

The spelling of 238690395 in words is "two hundred thirty-eight million, six hundred ninety thousand, three hundred ninety-five".