409534 has 8 divisors (see below), whose sum is σ = 620928. Its totient is φ = 202560.

The previous prime is 409529. The next prime is 409543. The reversal of 409534 is 435904.

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

It is a junction number, because it is equal to n+sod(n) for n = 409499 and 409508.

It is a congruent number.

It is an unprimeable number.

409534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (77616).

2⁴⁰⁹⁵³⁴ is an apocalyptic number.

409534 is a deficient number, since it is larger than the sum of its proper divisors (211394).

409534 is a wasteful number, since it uses less digits than its factorization.

409534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210.

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

The square root of 409534 is about 639.9484354227. The cubic root of 409534 is about 74.2614322581.

The spelling of 409534 in words is "four hundred nine thousand, five hundred thirty-four".