209094 has 8 divisors (see below), whose sum is σ = 418200. Its totient is φ = 69696.

The previous prime is 209089. The next prime is 209123. The reversal of 209094 is 490902.

209094 = 58² + 59² + ... + 93².

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

209094 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17419 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (52275).

2²⁰⁹⁰⁹⁴ is an apocalyptic number.

209094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

209094 is a wasteful number, since it uses less digits than its factorization.

209094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34854.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 209094 is about 457.2679739496. The cubic root of 209094 is about 59.3536170463.

Adding to 209094 its reverse (490902), we get a palindrome (699996).

The spelling of 209094 in words is "two hundred nine thousand, ninety-four".