534405 has 16 divisors (see below), whose sum is σ = 892800. Its totient is φ = 272448.

The previous prime is 534403. The next prime is 534407. The reversal of 534405 is 504435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (534403) and next prime (534407).

It is not a de Polignac number, because 534405 - 2¹ = 534403 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 430 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2⁵³⁴⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

534405 is a deficient number, since it is larger than the sum of its proper divisors (358395).

534405 is a wasteful number, since it uses less digits than its factorization.

534405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 534405 is about 731.0300951397. The cubic root of 534405 is about 81.1503077097.

It can be divided in two parts, 534 and 405, that added together give a palindrome (939).

The spelling of 534405 in words is "five hundred thirty-four thousand, four hundred five".