8923213 has 8 divisors (see below), whose sum is σ = 9941400. Its totient is φ = 7952448.

The previous prime is 8923207. The next prime is 8923223. The reversal of 8923213 is 3123298.

It can be written as a sum of positive squares in 4 ways, for example, as 149769 + 8773444 = 387^2 + 2962^2 .

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 8923213 - 2⁹ = 8922701 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 (8923223) 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, 11458 + ... + 12211.

It is an arithmetic number, because the mean of its divisors is an integer number (1242675).

Almost surely, 2^8923213 is an apocalyptic number.

It is an amenable number.

8923213 is a deficient number, since it is larger than the sum of its proper divisors (1018187).

8923213 is a wasteful number, since it uses less digits than its factorization.

8923213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23711.

The product of its digits is 2592, while the sum is 28.

The square root of 8923213 is about 2987.1747521697. The cubic root of 8923213 is about 207.4151237520.

The spelling of 8923213 in words is "eight million, nine hundred twenty-three thousand, two hundred thirteen".