238494999 has 4 divisors (see below), whose sum is σ = 317993336. Its totient is φ = 158996664.

The previous prime is 238494983. The next prime is 238495003. The reversal of 238494999 is 999494832.

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

It is not a de Polignac number, because 238494999 - 2⁴ = 238494983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238494959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39749164 + ... + 39749169.

It is an arithmetic number, because the mean of its divisors is an integer number (79498334).

Almost surely, 2^238494999 is an apocalyptic number.

238494999 is a deficient number, since it is larger than the sum of its proper divisors (79498337).

238494999 is an equidigital number, since it uses as much as digits as its factorization.

238494999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79498336.

The product of its digits is 5038848, while the sum is 57.

The square root of 238494999 is about 15443.2832972785. The cubic root of 238494999 is about 620.1447797513.

The spelling of 238494999 in words is "two hundred thirty-eight million, four hundred ninety-four thousand, nine hundred ninety-nine".