536638 has 8 divisors (see below), whose sum is σ = 808920. Its totient is φ = 267000.

The previous prime is 536633. The next prime is 536651. The reversal of 536638 is 836635.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536633) 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, 33 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (101115).

2⁵³⁶⁶³⁸ is an apocalyptic number.

536638 is a deficient number, since it is larger than the sum of its proper divisors (272282).

536638 is a wasteful number, since it uses less digits than its factorization.

536638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its digits is 12960, while the sum is 31.

The square root of 536638 is about 732.5557999224. Note that the first 3 decimals coincide. The cubic root of 536638 is about 81.2631789273.

The spelling of 536638 in words is "five hundred thirty-six thousand, six hundred thirty-eight".