209340485 has 8 divisors (see below), whose sum is σ = 252400416. Its totient is φ = 166677840.

The previous prime is 209340433. The next prime is 209340493. The reversal of 209340485 is 584043902.

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

It is not a de Polignac number, because 209340485 - 2¹⁰ = 209339461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98159 + ... + 100268.

It is an arithmetic number, because the mean of its divisors is an integer number (31550052).

Almost surely, 2^209340485 is an apocalyptic number.

It is an amenable number.

209340485 is a deficient number, since it is larger than the sum of its proper divisors (43059931).

209340485 is a wasteful number, since it uses less digits than its factorization.

209340485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198643.

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

The square root of 209340485 is about 14468.6034225837. The cubic root of 209340485 is about 593.7693037491.

The spelling of 209340485 in words is "two hundred nine million, three hundred forty thousand, four hundred eighty-five".