4309213 has 4 divisors (see below), whose sum is σ = 4363840. Its totient is φ = 4254588.

The previous prime is 4309199. The next prime is 4309243. The reversal of 4309213 is 3129034.

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 4309213 - 2¹³ = 4301021 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 (4309243) 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, 27195 + ... + 27352.

It is an arithmetic number, because the mean of its divisors is an integer number (1090960).

Almost surely, 2^4309213 is an apocalyptic number.

It is an amenable number.

4309213 is a deficient number, since it is larger than the sum of its proper divisors (54627).

4309213 is an equidigital number, since it uses as much as digits as its factorization.

4309213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54626.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 4309213 is about 2075.8643982688. The cubic root of 4309213 is about 162.7293864972.

The spelling of 4309213 in words is "four million, three hundred nine thousand, two hundred thirteen".