534638 has 8 divisors (see below), whose sum is σ = 863688. Its totient is φ = 246744.

The previous prime is 534637. The next prime is 534647. The reversal of 534638 is 836435.

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

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 534638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534631) 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, 10256 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (107961).

2⁵³⁴⁶³⁸ is an apocalyptic number.

534638 is a deficient number, since it is larger than the sum of its proper divisors (329050).

534638 is a wasteful number, since it uses less digits than its factorization.

534638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578.

The product of its digits is 8640, while the sum is 29.

The square root of 534638 is about 731.1894419369. The cubic root of 534638 is about 81.1620998114.

It can be divided in two parts, 5 and 34638, that added together give a palindrome (34643).

The spelling of 534638 in words is "five hundred thirty-four thousand, six hundred thirty-eight".