209429094 has 16 divisors (see below), whose sum is σ = 478695168. Its totient is φ = 59836872.

The previous prime is 209429093. The next prime is 209429119. The reversal of 209429094 is 490924902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209429093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493162 + ... + 2493245.

It is an arithmetic number, because the mean of its divisors is an integer number (29918448).

Almost surely, 2^209429094 is an apocalyptic number.

209429094 is an abundant number, since it is smaller than the sum of its proper divisors (269266074).

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

209429094 is a wasteful number, since it uses less digits than its factorization.

209429094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986419.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 209429094 is about 14471.6652117163. The cubic root of 209429094 is about 593.8530682165.

The spelling of 209429094 in words is "two hundred nine million, four hundred twenty-nine thousand, ninety-four".