468909 has 20 divisors (see below), whose sum is σ = 801504. Its totient is φ = 267624.

The previous prime is 468899. The next prime is 468913. The reversal of 468909 is 909864.

It is not a de Polignac number, because 468909 - 2⁴ = 468893 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154 + ... + 980.

2⁴⁶⁸⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

468909 is a deficient number, since it is larger than the sum of its proper divisors (332595).

468909 is an equidigital number, since it uses as much as digits as its factorization.

468909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 468909 is about 684.7693042186. The cubic root of 468909 is about 77.6895947665.

The spelling of 468909 in words is "four hundred sixty-eight thousand, nine hundred nine".