299993213 has 4 divisors (see below), whose sum is σ = 323069628. Its totient is φ = 276916800.

The previous prime is 299993189. The next prime is 299993219. The reversal of 299993213 is 312399992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47914084 + 252079129 = 6922^2 + 15877^2 .

It is a cyclic number.

It is not a de Polignac number, because 299993213 - 2⁶ = 299993149 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 (299993219) 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, 11538188 + ... + 11538213.

It is an arithmetic number, because the mean of its divisors is an integer number (80767407).

Almost surely, 2^299993213 is an apocalyptic number.

It is an amenable number.

299993213 is a deficient number, since it is larger than the sum of its proper divisors (23076415).

299993213 is a wasteful number, since it uses less digits than its factorization.

299993213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23076414.

The product of its digits is 236196, while the sum is 47.

The square root of 299993213 is about 17320.3121507668. The cubic root of 299993213 is about 669.4279017758.

The spelling of 299993213 in words is "two hundred ninety-nine million, nine hundred ninety-three thousand, two hundred thirteen".