9467991 has 12 divisors (see below), whose sum is σ = 14728168. Its totient is φ = 5826384.

The previous prime is 9467987. The next prime is 9467999. The reversal of 9467991 is 1997649.

9467991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9467991 - 2² = 9467987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9467999) 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, 40345 + ... + 40578.

Almost surely, 2^9467991 is an apocalyptic number.

9467991 is a deficient number, since it is larger than the sum of its proper divisors (5260177).

9467991 is a wasteful number, since it uses less digits than its factorization.

9467991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80942 (or 80939 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 9467991 is about 3077.0100747316. The cubic root of 9467991 is about 211.5530440534.

The spelling of 9467991 in words is "nine million, four hundred sixty-seven thousand, nine hundred ninety-one".