844095493 has 4 divisors (see below), whose sum is σ = 844493728. Its totient is φ = 843697260.

The previous prime is 844095451. The next prime is 844095517. The reversal of 844095493 is 394590448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 844095493 - 2⁹ = 844094981 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 (844095293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195921 + ... + 200182.

It is an arithmetic number, because the mean of its divisors is an integer number (211123432).

Almost surely, 2^844095493 is an apocalyptic number.

It is an amenable number.

844095493 is a deficient number, since it is larger than the sum of its proper divisors (398235).

844095493 is a wasteful number, since it uses less digits than its factorization.

844095493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398234.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 844095493 is about 29053.3215484908. The cubic root of 844095493 is about 945.0697457924.

The spelling of 844095493 in words is "eight hundred forty-four million, ninety-five thousand, four hundred ninety-three".