533683638 has 24 divisors (see below), whose sum is σ = 1162191888. Its totient is φ = 176990352.

The previous prime is 533683627. The next prime is 533683639. The reversal of 533683638 is 836386335.

533683638 is a `hidden beast` number, since 5 + 3 + 3 + 6 + 8 + 3 + 638 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 533683593 and 533683602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533683639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71706 + ... + 78797.

It is an arithmetic number, because the mean of its divisors is an integer number (48424662).

Almost surely, 2^533683638 is an apocalyptic number.

533683638 is an abundant number, since it is smaller than the sum of its proper divisors (628508250).

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

533683638 is a wasteful number, since it uses less digits than its factorization.

533683638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150708 (or 150705 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 533683638 is about 23101.5938411184. The cubic root of 533683638 is about 811.1377791959.

The spelling of 533683638 in words is "five hundred thirty-three million, six hundred eighty-three thousand, six hundred thirty-eight".