206985373 has 16 divisors (see below), whose sum is σ = 249690240. Its totient is φ = 167616000.

The previous prime is 206985329. The next prime is 206985379. The reversal of 206985373 is 373589602.

206985373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 206985373 - 2¹³ = 206977181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206985379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51393 + ... + 55273.

It is an arithmetic number, because the mean of its divisors is an integer number (15605640).

Almost surely, 2^206985373 is an apocalyptic number.

It is an amenable number.

206985373 is a deficient number, since it is larger than the sum of its proper divisors (42704867).

206985373 is a wasteful number, since it uses less digits than its factorization.

206985373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 206985373 is about 14386.9862375690. The cubic root of 206985373 is about 591.5342363487.

The spelling of 206985373 in words is "two hundred six million, nine hundred eighty-five thousand, three hundred seventy-three".