534409 has 4 divisors (see below), whose sum is σ = 551680. Its totient is φ = 517140.

The previous prime is 534407. The next prime is 534431. The reversal of 534409 is 904435.

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 534409 - 2¹ = 534407 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (534403) 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, 8589 + ... + 8650.

It is an arithmetic number, because the mean of its divisors is an integer number (137920).

2⁵³⁴⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

534409 is a deficient number, since it is larger than the sum of its proper divisors (17271).

534409 is a wasteful number, since it uses less digits than its factorization.

534409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17270.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 534409 is about 731.0328310001. The cubic root of 534409 is about 81.1505101781.

The spelling of 534409 in words is "five hundred thirty-four thousand, four hundred nine".