9596991 has 4 divisors (see below), whose sum is σ = 12795992. Its totient is φ = 6397992.

The previous prime is 9596981. The next prime is 9597031. The reversal of 9596991 is 1996959.

It is a happy number.

9596991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9596991 - 2⁶ = 9596927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9596991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9596921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599496 + ... + 1599501.

It is an arithmetic number, because the mean of its divisors is an integer number (3198998).

Almost surely, 2^9596991 is an apocalyptic number.

9596991 is a deficient number, since it is larger than the sum of its proper divisors (3199001).

9596991 is a wasteful number, since it uses less digits than its factorization.

9596991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199000.

The product of its digits is 196830, while the sum is 48.

The square root of 9596991 is about 3097.9010636236. The cubic root of 9596991 is about 212.5095063798.

The spelling of 9596991 in words is "nine million, five hundred ninety-six thousand, nine hundred ninety-one".