306450213 has 8 divisors (see below), whose sum is σ = 408720000. Its totient is φ = 204240288.

The previous prime is 306450191. The next prime is 306450217. The reversal of 306450213 is 312054603.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 306450213 - 2⁵ = 306450181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306450217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213 + ... + 24786.

It is an arithmetic number, because the mean of its divisors is an integer number (51090000).

Almost surely, 2^306450213 is an apocalyptic number.

It is an amenable number.

306450213 is a deficient number, since it is larger than the sum of its proper divisors (102269787).

306450213 is a wasteful number, since it uses less digits than its factorization.

306450213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29931.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 306450213 is about 17505.7194368012. The cubic root of 306450213 is about 674.1967311610.

The spelling of 306450213 in words is "three hundred six million, four hundred fifty thousand, two hundred thirteen".