452409 has 8 divisors (see below), whose sum is σ = 635040. Its totient is φ = 285696.

The previous prime is 452401. The next prime is 452443. The reversal of 452409 is 904254.

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

It is not a de Polignac number, because 452409 - 2³ = 452401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (452401) 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, 3912 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2⁴⁵²⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

452409 is a deficient number, since it is larger than the sum of its proper divisors (182631).

452409 is a wasteful number, since it uses less digits than its factorization.

452409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7959.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 452409 is about 672.6135591854. The cubic root of 452409 is about 76.7674436120.

It can be divided in two parts, 452 and 409, that added together give a triangular number (861 = T₄₁).

The spelling of 452409 in words is "four hundred fifty-two thousand, four hundred nine".