206971912 has 32 divisors (see below), whose sum is σ = 444107520. Its totient is φ = 88583040.

The previous prime is 206971909. The next prime is 206971913. The reversal of 206971912 is 219179602.

It is not an unprimeable number, because it can be changed into a prime (206971913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48988 + ... + 53044.

It is an arithmetic number, because the mean of its divisors is an integer number (13878360).

Almost surely, 2^206971912 is an apocalyptic number.

It is an amenable number.

206971912 is an abundant number, since it is smaller than the sum of its proper divisors (237135608).

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

206971912 is a wasteful number, since it uses less digits than its factorization.

206971912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981 (or 4977 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 206971912 is about 14386.5184113461. The cubic root of 206971912 is about 591.5214128741.

The spelling of 206971912 in words is "two hundred six million, nine hundred seventy-one thousand, nine hundred twelve".