464209 has 4 divisors (see below), whose sum is σ = 484416. Its totient is φ = 444004.

The previous prime is 464201. The next prime is 464213. The reversal of 464209 is 902464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 464209 - 2³ = 464201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10069 + ... + 10114.

It is an arithmetic number, because the mean of its divisors is an integer number (121104).

2⁴⁶⁴²⁰⁹ is an apocalyptic number.

It is an amenable number.

464209 is a deficient number, since it is larger than the sum of its proper divisors (20207).

464209 is a wasteful number, since it uses less digits than its factorization.

464209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20206.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 464209 is about 681.3288486480. The cubic root of 464209 is about 77.4291548209.

The spelling of 464209 in words is "four hundred sixty-four thousand, two hundred nine".