844076340 has 72 divisors (see below), whose sum is σ = 2562749280. Its totient is φ = 224877504.

The previous prime is 844076309. The next prime is 844076351. The reversal of 844076340 is 43670448.

844076340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 844076295 and 844076304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342031 + ... + 344489.

It is an arithmetic number, because the mean of its divisors is an integer number (35593740).

Almost surely, 2^844076340 is an apocalyptic number.

It is an amenable number.

844076340 is an abundant number, since it is smaller than the sum of its proper divisors (1718672940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

844076340 is a wasteful number, since it uses less digits than its factorization.

844076340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 844076340 is about 29052.9919285433. The cubic root of 844076340 is about 945.0625976842.

The spelling of 844076340 in words is "eight hundred forty-four million, seventy-six thousand, three hundred forty".