206942888 has 8 divisors (see below), whose sum is σ = 388017930. Its totient is φ = 103471440.

The previous prime is 206942881. The next prime is 206942903. The reversal of 206942888 is 888249602.

It can be written as a sum of positive squares in only one way, i.e., 205692964 + 1249924 = 14342^2 + 1118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (206942881) by changing a digit.

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 as a sum of consecutive naturals, namely, 12933923 + ... + 12933938.

Almost surely, 2^206942888 is an apocalyptic number.

It is an amenable number.

206942888 is a deficient number, since it is larger than the sum of its proper divisors (181075042).

206942888 is a wasteful number, since it uses less digits than its factorization.

206942888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25867867 (or 25867863 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 206942888 is about 14385.5096538148. The cubic root of 206942888 is about 591.4937615858.

The spelling of 206942888 in words is "two hundred six million, nine hundred forty-two thousand, eight hundred eighty-eight".