206876838 has 32 divisors (see below), whose sum is σ = 479925504. Its totient is φ = 58224672.

The previous prime is 206876837. The next prime is 206876843. The reversal of 206876838 is 838678602.

It is a happy number.

It is a super-2 number, since 2×206876838² = 85596052201756488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206876837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33945 + ... + 39572.

It is an arithmetic number, because the mean of its divisors is an integer number (14997672).

Almost surely, 2^206876838 is an apocalyptic number.

206876838 is an abundant number, since it is smaller than the sum of its proper divisors (273048666).

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

206876838 is a wasteful number, since it uses less digits than its factorization.

206876838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73596.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 206876838 is about 14383.2137577108. The cubic root of 206876838 is about 591.4308258316.

The spelling of 206876838 in words is "two hundred six million, eight hundred seventy-six thousand, eight hundred thirty-eight".