9265991 has 8 divisors (see below), whose sum is σ = 10614144. Its totient is φ = 7923960.

The previous prime is 9265979. The next prime is 9265999. The reversal of 9265991 is 1995629.

9265991 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9265991 - 2¹⁰ = 9264967 is a prime.

It is a Duffinian number.

9265991 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9265999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2396 + ... + 4926.

It is an arithmetic number, because the mean of its divisors is an integer number (1326768).

Almost surely, 2^9265991 is an apocalyptic number.

9265991 is a deficient number, since it is larger than the sum of its proper divisors (1348153).

9265991 is a wasteful number, since it uses less digits than its factorization.

9265991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061.

The product of its digits is 43740, while the sum is 41.

The square root of 9265991 is about 3044.0090341522. The cubic root of 9265991 is about 210.0377180928.

The spelling of 9265991 in words is "nine million, two hundred sixty-five thousand, nine hundred ninety-one".