209468 has 12 divisors (see below), whose sum is σ = 418992. Its totient is φ = 89760.

The previous prime is 209459. The next prime is 209471. The reversal of 209468 is 864902.

209468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

209468 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 209468.

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, 3713 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (34916).

2²⁰⁹⁴⁶⁸ is an apocalyptic number.

209468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

209468 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.

209468 is a wasteful number, since it uses less digits than its factorization.

209468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492 (or 7490 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 209468 is about 457.6767418168. The cubic root of 209468 is about 59.3889839639.

The spelling of 209468 in words is "two hundred nine thousand, four hundred sixty-eight".