455409 has 16 divisors (see below), whose sum is σ = 685440. Its totient is φ = 298800.

The previous prime is 455407. The next prime is 455419. The reversal of 455409 is 904554.

It is not a de Polignac number, because 455409 - 2¹ = 455407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (455401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644 + ... + 2810.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2⁴⁵⁵⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

455409 is a deficient number, since it is larger than the sum of its proper divisors (230031).

455409 is a wasteful number, since it uses less digits than its factorization.

455409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 455409 is about 674.8399810325. The cubic root of 455409 is about 76.9367558494.

The spelling of 455409 in words is "four hundred fifty-five thousand, four hundred nine".