532638819 has 6 divisors (see below), whose sum is σ = 769367196. Its totient is φ = 355092540.

The previous prime is 532638787. The next prime is 532638833. The reversal of 532638819 is 918836235.

It is a happy number.

532638819 is a `hidden beast` number, since 5 + 3 + 2 + 638 + 8 + 1 + 9 = 666.

It is not a de Polignac number, because 532638819 - 2⁵ = 532638787 is a prime.

It is a super-3 number, since 3×532638819³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (532638839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29591037 + ... + 29591054.

It is an arithmetic number, because the mean of its divisors is an integer number (128227866).

Almost surely, 2^532638819 is an apocalyptic number.

532638819 is a deficient number, since it is larger than the sum of its proper divisors (236728377).

532638819 is a wasteful number, since it uses less digits than its factorization.

532638819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59182097 (or 59182094 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 532638819 is about 23078.9691927521. The cubic root of 532638819 is about 810.6080984609.

The spelling of 532638819 in words is "five hundred thirty-two million, six hundred thirty-eight thousand, eight hundred nineteen".