9791001 has 12 divisors (see below), whose sum is σ = 15428400. Its totient is φ = 5933880.

The previous prime is 9790987. The next prime is 9791003. The reversal of 9791001 is 1001979.

It is not a de Polignac number, because 9791001 - 2⁵ = 9790969 is a prime.

9791001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9791003) 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 in 11 ways as a sum of consecutive naturals, for example, 49351 + ... + 49548.

It is an arithmetic number, because the mean of its divisors is an integer number (1285700).

Almost surely, 2^9791001 is an apocalyptic number.

It is an amenable number.

9791001 is a deficient number, since it is larger than the sum of its proper divisors (5637399).

9791001 is a wasteful number, since it uses less digits than its factorization.

9791001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98916 (or 98913 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 9791001 is about 3129.0575258375. The cubic root of 9791001 is about 213.9319738946.

It can be divided in two parts, 979 and 1001, that multiplied together give a palindrome (979979).

The spelling of 9791001 in words is "nine million, seven hundred ninety-one thousand, one".