844117494 has 16 divisors (see below), whose sum is σ = 1841711040. Its totient is φ = 255793160.

The previous prime is 844117489. The next prime is 844117501. The reversal of 844117494 is 494711448.

844117494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6394764 + ... + 6394895.

It is an arithmetic number, because the mean of its divisors is an integer number (115106940).

Almost surely, 2^844117494 is an apocalyptic number.

844117494 is an abundant number, since it is smaller than the sum of its proper divisors (997593546).

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

844117494 is a wasteful number, since it uses less digits than its factorization.

844117494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789675.

The product of its digits is 129024, while the sum is 42.

The square root of 844117494 is about 29053.7001774301. The cubic root of 844117494 is about 945.0779566718.

The spelling of 844117494 in words is "eight hundred forty-four million, one hundred seventeen thousand, four hundred ninety-four".