209034485 has 16 divisors (see below), whose sum is σ = 288048960. Its totient is φ = 144023040.

The previous prime is 209034461. The next prime is 209034487. The reversal of 209034485 is 584430902.

It is not a de Polignac number, because 209034485 - 2⁸ = 209034229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209034487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98972 + ... + 101061.

It is an arithmetic number, because the mean of its divisors is an integer number (18003060).

Almost surely, 2^209034485 is an apocalyptic number.

It is an amenable number.

209034485 is a deficient number, since it is larger than the sum of its proper divisors (79014475).

209034485 is a wasteful number, since it uses less digits than its factorization.

209034485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200068.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 209034485 is about 14458.0249342709. The cubic root of 209034485 is about 593.4798518418.

The spelling of 209034485 in words is "two hundred nine million, thirty-four thousand, four hundred eighty-five".