206947692 has 144 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 56125440.

The previous prime is 206947651. The next prime is 206947711. The reversal of 206947692 is 296749602.

206947692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460684 + ... + 461132.

It is an arithmetic number, because the mean of its divisors is an integer number (4368000).

Almost surely, 2^206947692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206947692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496000).

206947692 is an abundant number, since it is smaller than the sum of its proper divisors (422044308).

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

206947692 is a wasteful number, since it uses less digits than its factorization.

206947692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 206947692 is about 14385.6766264225. The cubic root of 206947692 is about 591.4983385556.

The spelling of 206947692 in words is "two hundred six million, nine hundred forty-seven thousand, six hundred ninety-two".