206516838 has 16 divisors (see below), whose sum is σ = 450582336. Its totient is φ = 62580840.

The previous prime is 206516813. The next prime is 206516851. The reversal of 206516838 is 838615602.

It is a happy number.

206516838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×206516838³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206516796 and 206516805.

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, 1564456 + ... + 1564587.

It is an arithmetic number, because the mean of its divisors is an integer number (28161396).

Almost surely, 2^206516838 is an apocalyptic number.

206516838 is an abundant number, since it is smaller than the sum of its proper divisors (244065498).

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

206516838 is a wasteful number, since it uses less digits than its factorization.

206516838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129059.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 206516838 is about 14370.6937202071. The cubic root of 206516838 is about 591.0875640768.

The spelling of 206516838 in words is "two hundred six million, five hundred sixteen thousand, eight hundred thirty-eight".