209085414 has 32 divisors (see below), whose sum is σ = 443460096. Its totient is φ = 65493120.

The previous prime is 209085413. The next prime is 209085419. The reversal of 209085414 is 414580902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209085413) 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, 89319 + ... + 91629.

It is an arithmetic number, because the mean of its divisors is an integer number (13858128).

Almost surely, 2^209085414 is an apocalyptic number.

209085414 is an abundant number, since it is smaller than the sum of its proper divisors (234374682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209085414 is a wasteful number, since it uses less digits than its factorization.

209085414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 209085414 is about 14459.7860980030. The cubic root of 209085414 is about 593.5280462517.

The spelling of 209085414 in words is "two hundred nine million, eighty-five thousand, four hundred fourteen".