844046749 has 16 divisors (see below), whose sum is σ = 1043510272. Its totient is φ = 664806528.

The previous prime is 844046741. The next prime is 844046767. The reversal of 844046749 is 947640448.

844046749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 844046749 - 2³ = 844046741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 844046699 and 844046708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844046741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504 + ... + 41089.

It is an arithmetic number, because the mean of its divisors is an integer number (65219392).

Almost surely, 2^844046749 is an apocalyptic number.

It is an amenable number.

844046749 is a deficient number, since it is larger than the sum of its proper divisors (199463523).

844046749 is a wasteful number, since it uses less digits than its factorization.

844046749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41836.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 844046749 is about 29052.4826649978. The cubic root of 844046749 is about 945.0515537882.

The spelling of 844046749 in words is "eight hundred forty-four million, forty-six thousand, seven hundred forty-nine".