434409 has 8 divisors (see below), whose sum is σ = 586080. Its totient is φ = 286176.

The previous prime is 434407. The next prime is 434411. The reversal of 434409 is 904434.

It is an interprime number because it is at equal distance from previous prime (434407) and next prime (434411).

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

It is not a de Polignac number, because 434409 - 2¹ = 434407 is a prime.

It is a super-2 number, since 2×434409² = 377422358562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (434407) 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, 547 + ... + 1080.

It is an arithmetic number, because the mean of its divisors is an integer number (73260).

2⁴³⁴⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

434409 is a deficient number, since it is larger than the sum of its proper divisors (151671).

434409 is a wasteful number, since it uses less digits than its factorization.

434409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 434409 is about 659.0971096887. The cubic root of 434409 is about 75.7355188038.

The spelling of 434409 in words is "four hundred thirty-four thousand, four hundred nine".