216200039 has 4 divisors (see below), whose sum is σ = 235854600. Its totient is φ = 196545480.

The previous prime is 216200029. The next prime is 216200057. The reversal of 216200039 is 930002612.

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

It is a cyclic number.

It is not a de Polignac number, because 216200039 - 2⁸ = 216199783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216199987 and 216200023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216200009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827264 + ... + 9827285.

It is an arithmetic number, because the mean of its divisors is an integer number (58963650).

Almost surely, 2^216200039 is an apocalyptic number.

216200039 is a deficient number, since it is larger than the sum of its proper divisors (19654561).

216200039 is a wasteful number, since it uses less digits than its factorization.

216200039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654560.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 216200039 is about 14703.7423467633. The cubic root of 216200039 is about 600.1851641475.

The spelling of 216200039 in words is "two hundred sixteen million, two hundred thousand, thirty-nine".