532638 has 24 divisors (see below), whose sum is σ = 1168128. Its totient is φ = 175392.

The previous prime is 532633. The next prime is 532639. The reversal of 532638 is 836235.

It is a super-3 number, since 3×532638³ = 453333377513754216, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2170 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (48672).

2⁵³²⁶³⁸ is an apocalyptic number.

532638 is an abundant number, since it is smaller than the sum of its proper divisors (635490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

532638 is a wasteful number, since it uses less digits than its factorization.

532638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 532638 is about 729.8205258829. The cubic root of 532638 is about 81.0607682990.

The spelling of 532638 in words is "five hundred thirty-two thousand, six hundred thirty-eight".