455909 has 8 divisors (see below), whose sum is σ = 480000. Its totient is φ = 432432.

The previous prime is 455899. The next prime is 455921. The reversal of 455909 is 909554.

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

It is a cyclic number.

It is not a de Polignac number, because 455909 - 2¹⁶ = 390373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455969) 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, 2192 + ... + 2390.

It is an arithmetic number, because the mean of its divisors is an integer number (60000).

2⁴⁵⁵⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

455909 is a deficient number, since it is larger than the sum of its proper divisors (24091).

455909 is a wasteful number, since it uses less digits than its factorization.

455909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 455909 is about 675.2103375986. The cubic root of 455909 is about 76.9649022030.

It can be divided in two parts, 455 and 909, that multiplied together give a triangular number (413595 = T₉₀₉).

The spelling of 455909 in words is "four hundred fifty-five thousand, nine hundred nine".