306000216 has 48 divisors (see below), whose sum is σ = 829623600. Its totient is φ = 101892672.

The previous prime is 306000203. The next prime is 306000223. The reversal of 306000216 is 612000603.

It is a happy number.

It is a super-2 number, since 2×306000216² = 187272264384093312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96870 + ... + 99978.

It is an arithmetic number, because the mean of its divisors is an integer number (17283825).

Almost surely, 2^306000216 is an apocalyptic number.

306000216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

306000216 is an abundant number, since it is smaller than the sum of its proper divisors (523623384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306000216 is a wasteful number, since it uses less digits than its factorization.

306000216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488 (or 4481 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 306000216 is about 17492.8618584839. The cubic root of 306000216 is about 673.8665686373.

Adding to 306000216 its reverse (612000603), we get a palindrome (918000819).

The spelling of 306000216 in words is "three hundred six million, two hundred sixteen", and thus it is an aban number.