9941091 has 4 divisors (see below), whose sum is σ = 13254792. Its totient is φ = 6627392.

The previous prime is 9941089. The next prime is 9941101. The reversal of 9941091 is 1901499.

9941091 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1901499 = 3 ⋅633833.

It is a cyclic number.

It is not a de Polignac number, because 9941091 - 2¹ = 9941089 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (9941291) 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, 1656846 + ... + 1656851.

It is an arithmetic number, because the mean of its divisors is an integer number (3313698).

Almost surely, 2^9941091 is an apocalyptic number.

9941091 is a deficient number, since it is larger than the sum of its proper divisors (3313701).

9941091 is a wasteful number, since it uses less digits than its factorization.

9941091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313700.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 9941091 is about 3152.9495714331. The cubic root of 9941091 is about 215.0195835776.

The spelling of 9941091 in words is "nine million, nine hundred forty-one thousand, ninety-one".