9791944 has 8 divisors (see below), whose sum is σ = 18359910. Its totient is φ = 4895968.

The previous prime is 9791941. The next prime is 9791953. The reversal of 9791944 is 4491979.

9791944 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 9229444 + 562500 = 3038^2 + 750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 9791944.

It is not an unprimeable number, because it can be changed into a prime (9791941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611989 + ... + 612004.

Almost surely, 2^9791944 is an apocalyptic number.

It is an amenable number.

9791944 is a deficient number, since it is larger than the sum of its proper divisors (8567966).

9791944 is a wasteful number, since it uses less digits than its factorization.

9791944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223999 (or 1223995 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 9791944 is about 3129.2082065596. The cubic root of 9791944 is about 213.9388418125.

The spelling of 9791944 in words is "nine million, seven hundred ninety-one thousand, nine hundred forty-four".