9391049 has 4 divisors (see below), whose sum is σ = 9414420. Its totient is φ = 9367680.

The previous prime is 9391033. The next prime is 9391079. The reversal of 9391049 is 9401939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9401939 = 113 ⋅83203.

It can be written as a sum of positive squares in 2 ways, for example, as 7661824 + 1729225 = 2768^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 9391049 - 2⁴ = 9391033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9391079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11072 + ... + 11889.

It is an arithmetic number, because the mean of its divisors is an integer number (2353605).

Almost surely, 2^9391049 is an apocalyptic number.

It is an amenable number.

9391049 is a deficient number, since it is larger than the sum of its proper divisors (23371).

9391049 is a wasteful number, since it uses less digits than its factorization.

9391049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23370.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 9391049 is about 3064.4818485349. The cubic root of 9391049 is about 210.9784199608.

The spelling of 9391049 in words is "nine million, three hundred ninety-one thousand, forty-nine".