844394361 has 8 divisors (see below), whose sum is σ = 1125996384. Its totient is φ = 562860960.

The previous prime is 844394329. The next prime is 844394381. The reversal of 844394361 is 163493448.

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

It is not a de Polignac number, because 844394361 - 2⁵ = 844394329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (844394321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30366 + ... + 51096.

It is an arithmetic number, because the mean of its divisors is an integer number (140749548).

Almost surely, 2^844394361 is an apocalyptic number.

It is an amenable number.

844394361 is a deficient number, since it is larger than the sum of its proper divisors (281602023).

844394361 is a wasteful number, since it uses less digits than its factorization.

844394361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34311.

The product of its digits is 248832, while the sum is 42.

The square root of 844394361 is about 29058.4645327313. The cubic root of 844394361 is about 945.1812725798.

The spelling of 844394361 in words is "eight hundred forty-four million, three hundred ninety-four thousand, three hundred sixty-one".