206447485 has 16 divisors (see below), whose sum is σ = 253769472. Its totient is φ = 161179200.

The previous prime is 206447467. The next prime is 206447489. The reversal of 206447485 is 584744602.

It is a happy number.

It is not a de Polignac number, because 206447485 - 2⁹ = 206446973 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 (206447489) 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, 37372 + ... + 42538.

It is an arithmetic number, because the mean of its divisors is an integer number (15860592).

Almost surely, 2^206447485 is an apocalyptic number.

It is an amenable number.

206447485 is a deficient number, since it is larger than the sum of its proper divisors (47321987).

206447485 is a wasteful number, since it uses less digits than its factorization.

206447485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 206447485 is about 14368.2805164710. The cubic root of 206447485 is about 591.0213898349.

The spelling of 206447485 in words is "two hundred six million, four hundred forty-seven thousand, four hundred eighty-five".