438842994 has 8 divisors (see below), whose sum is σ = 877686000. Its totient is φ = 146280996.

The previous prime is 438842969. The next prime is 438843001. The reversal of 438842994 is 499248834.

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

438842994 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 36570244 + ... + 36570255.

It is an arithmetic number, because the mean of its divisors is an integer number (109710750).

Almost surely, 2^438842994 is an apocalyptic number.

438842994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438842994 is a wasteful number, since it uses less digits than its factorization.

438842994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73140504.

The product of its digits is 1990656, while the sum is 51.

The square root of 438842994 is about 20948.5797609289. The cubic root of 438842994 is about 759.9232343978.

The spelling of 438842994 in words is "four hundred thirty-eight million, eight hundred forty-two thousand, nine hundred ninety-four".