841389994 has 8 divisors (see below), whose sum is σ = 1274581188. Its totient is φ = 416529600.

The previous prime is 841389961. The next prime is 841390013. The reversal of 841389994 is 499983148.

841389994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 790453225 + 50936769 = 28115^2 + 7137^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082447 + ... + 2082850.

Almost surely, 2^841389994 is an apocalyptic number.

841389994 is a deficient number, since it is larger than the sum of its proper divisors (433191194).

841389994 is a wasteful number, since it uses less digits than its factorization.

841389994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165400.

The product of its digits is 2239488, while the sum is 55.

The square root of 841389994 is about 29006.7232551352. The cubic root of 841389994 is about 944.0589510310.

The spelling of 841389994 in words is "eight hundred forty-one million, three hundred eighty-nine thousand, nine hundred ninety-four".