844403949 has 6 divisors (see below), whose sum is σ = 1219694606. Its totient is φ = 562935960.

The previous prime is 844403941. The next prime is 844403951. The reversal of 844403949 is 949304448.

844403949 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 only one way, i.e., 676520100 + 167883849 = 26010^2 + 12957^2 .

It is not a de Polignac number, because 844403949 - 2³ = 844403941 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 (844403941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46911322 + ... + 46911339.

Almost surely, 2^844403949 is an apocalyptic number.

It is an amenable number.

844403949 is a deficient number, since it is larger than the sum of its proper divisors (375290657).

844403949 is a wasteful number, since it uses less digits than its factorization.

844403949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93822667 (or 93822664 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 844403949 is about 29058.6295100096. The cubic root of 844403949 is about 945.1848500408.

The spelling of 844403949 in words is "eight hundred forty-four million, four hundred three thousand, nine hundred forty-nine".