9236991 has 4 divisors (see below), whose sum is σ = 12315992. Its totient is φ = 6157992.

The previous prime is 9236963. The next prime is 9237017. The reversal of 9236991 is 1996329.

It is a happy number.

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

It is not a de Polignac number, because 9236991 - 2¹¹ = 9234943 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 (9236911) 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, 1539496 + ... + 1539501.

It is an arithmetic number, because the mean of its divisors is an integer number (3078998).

Almost surely, 2^9236991 is an apocalyptic number.

9236991 is a deficient number, since it is larger than the sum of its proper divisors (3079001).

9236991 is a wasteful number, since it uses less digits than its factorization.

9236991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079000.

The product of its digits is 26244, while the sum is 39.

The square root of 9236991 is about 3039.2418462505. The cubic root of 9236991 is about 209.8183690281.

The spelling of 9236991 in words is "nine million, two hundred thirty-six thousand, nine hundred ninety-one".