238673867 has 4 divisors (see below), whose sum is σ = 246373056. Its totient is φ = 230974680.

The previous prime is 238673861. The next prime is 238673917. The reversal of 238673867 is 768376832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238673867 - 2²⁰ = 237625291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238673861) 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 3 ways as a sum of consecutive naturals, for example, 3849548 + ... + 3849609.

It is an arithmetic number, because the mean of its divisors is an integer number (61593264).

Almost surely, 2^238673867 is an apocalyptic number.

238673867 is a deficient number, since it is larger than the sum of its proper divisors (7699189).

238673867 is an equidigital number, since it uses as much as digits as its factorization.

238673867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699188.

The product of its digits is 2032128, while the sum is 50.

The square root of 238673867 is about 15449.0733379061. The cubic root of 238673867 is about 620.2997743884.

The spelling of 238673867 in words is "two hundred thirty-eight million, six hundred seventy-three thousand, eight hundred sixty-seven".