844393468 has 12 divisors (see below), whose sum is σ = 1564611552. Its totient is φ = 397361600.

The previous prime is 844393423. The next prime is 844393513. The reversal of 844393468 is 864393448.

It is an interprime number because it is at equal distance from previous prime (844393423) and next prime (844393513).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6208708 + ... + 6208843.

It is an arithmetic number, because the mean of its divisors is an integer number (130384296).

Almost surely, 2^844393468 is an apocalyptic number.

It is an amenable number.

844393468 is a deficient number, since it is larger than the sum of its proper divisors (720218084).

844393468 is a wasteful number, since it uses less digits than its factorization.

844393468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417572 (or 12417570 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 844393468 is about 29058.4491671527. The cubic root of 844393468 is about 945.1809393835.

The spelling of 844393468 in words is "eight hundred forty-four million, three hundred ninety-three thousand, four hundred sixty-eight".