206516984 has 8 divisors (see below), whose sum is σ = 387219360. Its totient is φ = 103258488.

The previous prime is 206516963. The next prime is 206516993. The reversal of 206516984 is 489615602.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12907304 + ... + 12907319.

It is an arithmetic number, because the mean of its divisors is an integer number (48402420).

Almost surely, 2^206516984 is an apocalyptic number.

It is an amenable number.

206516984 is a deficient number, since it is larger than the sum of its proper divisors (180702376).

206516984 is a wasteful number, since it uses less digits than its factorization.

206516984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25814629 (or 25814625 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 206516984 is about 14370.6987999888. The cubic root of 206516984 is about 591.0877033693.

The spelling of 206516984 in words is "two hundred six million, five hundred sixteen thousand, nine hundred eighty-four".