9289213 has 4 divisors (see below), whose sum is σ = 9328320. Its totient is φ = 9250108.

The previous prime is 9289211. The next prime is 9289223. The reversal of 9289213 is 3129829.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3129829 = 653 ⋅4793.

It is a cyclic number.

It is not a de Polignac number, because 9289213 - 2¹ = 9289211 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 (9289211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19195 + ... + 19672.

It is an arithmetic number, because the mean of its divisors is an integer number (2332080).

Almost surely, 2^9289213 is an apocalyptic number.

It is an amenable number.

9289213 is a deficient number, since it is larger than the sum of its proper divisors (39107).

9289213 is a wasteful number, since it uses less digits than its factorization.

9289213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39106.

The product of its digits is 7776, while the sum is 34.

The square root of 9289213 is about 3047.8210249291. The cubic root of 9289213 is about 210.2130340040.

The spelling of 9289213 in words is "nine million, two hundred eighty-nine thousand, two hundred thirteen".