9308213 has 4 divisors (see below), whose sum is σ = 9398688. Its totient is φ = 9217740.

The previous prime is 9308203. The next prime is 9308227. The reversal of 9308213 is 3128039.

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.

It is a cyclic number.

It is not a de Polignac number, because 9308213 - 2¹⁰ = 9307189 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 (9308203) 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, 45083 + ... + 45288.

It is an arithmetic number, because the mean of its divisors is an integer number (2349672).

Almost surely, 2^9308213 is an apocalyptic number.

It is an amenable number.

9308213 is a deficient number, since it is larger than the sum of its proper divisors (90475).

9308213 is a wasteful number, since it uses less digits than its factorization.

9308213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90474.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 9308213 is about 3050.9364136278. The cubic root of 9308213 is about 210.3562584665.

The spelling of 9308213 in words is "nine million, three hundred eight thousand, two hundred thirteen".