844805401 has 8 divisors (see below), whose sum is σ = 941215104. Its totient is φ = 751663920.

The previous prime is 844805399. The next prime is 844805407. The reversal of 844805401 is 104508448.

844805401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 844805401 - 2¹ = 844805399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (844805407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816510 + ... + 817543.

It is an arithmetic number, because the mean of its divisors is an integer number (117651888).

Almost surely, 2^844805401 is an apocalyptic number.

It is an amenable number.

844805401 is a deficient number, since it is larger than the sum of its proper divisors (96409703).

844805401 is a wasteful number, since it uses less digits than its factorization.

844805401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634111.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 844805401 is about 29065.5363102077. The cubic root of 844805401 is about 945.3346149457.

The spelling of 844805401 in words is "eight hundred forty-four million, eight hundred five thousand, four hundred one".