206378741 has 8 divisors (see below), whose sum is σ = 217941120. Its totient is φ = 194886432.

The previous prime is 206378737. The next prime is 206378743. The reversal of 206378741 is 147873602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206378741 - 2² = 206378737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206378695 and 206378704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206378743) 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, 11405 + ... + 23298.

It is an arithmetic number, because the mean of its divisors is an integer number (27242640).

Almost surely, 2^206378741 is an apocalyptic number.

It is an amenable number.

206378741 is a deficient number, since it is larger than the sum of its proper divisors (11562379).

206378741 is a wasteful number, since it uses less digits than its factorization.

206378741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35035.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 206378741 is about 14365.8881034205. Note that the first 3 decimals coincide. The cubic root of 206378741 is about 590.9557820527.

The spelling of 206378741 in words is "two hundred six million, three hundred seventy-eight thousand, seven hundred forty-one".