206304216 has 32 divisors (see below), whose sum is σ = 520873200. Its totient is φ = 68086400.

The previous prime is 206304199. The next prime is 206304221. The reversal of 206304216 is 612403602.

It is a super-2 number, since 2×206304216² = 85122859078749312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40131 + ... + 44978.

Almost surely, 2^206304216 is an apocalyptic number.

It is an amenable number.

206304216 is an abundant number, since it is smaller than the sum of its proper divisors (314568984).

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

206304216 is a wasteful number, since it uses less digits than its factorization.

206304216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85219 (or 85215 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 206304216 is about 14363.2940511569. The cubic root of 206304216 is about 590.8846405490.

Adding to 206304216 its reverse (612403602), we get a palindrome (818707818).

The spelling of 206304216 in words is "two hundred six million, three hundred four thousand, two hundred sixteen".