206879984 has 10 divisors (see below), whose sum is σ = 400830000. Its totient is φ = 103439984.

The previous prime is 206879977. The next prime is 206879989. The reversal of 206879984 is 489978602.

206879984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206879989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6464984 + ... + 6465015.

It is an arithmetic number, because the mean of its divisors is an integer number (40083000).

Almost surely, 2^206879984 is an apocalyptic number.

It is an amenable number.

206879984 is a deficient number, since it is larger than the sum of its proper divisors (193950016).

206879984 is a wasteful number, since it uses less digits than its factorization.

206879984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12930007 (or 12930001 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 206879984 is about 14383.3231208925. The cubic root of 206879984 is about 591.4338238021.

The spelling of 206879984 in words is "two hundred six million, eight hundred seventy-nine thousand, nine hundred eighty-four".