27838533 has 16 divisors (see below), whose sum is σ = 38885760. Its totient is φ = 17681664.

The previous prime is 27838507. The next prime is 27838583. The reversal of 27838533 is 33583872.

It is not a de Polignac number, because 27838533 - 2⁸ = 27838277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27838491 and 27838500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27838583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20953 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (2430360).

Almost surely, 2^27838533 is an apocalyptic number.

27838533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27838533 is a deficient number, since it is larger than the sum of its proper divisors (11047227).

27838533 is a wasteful number, since it uses less digits than its factorization.

27838533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its digits is 120960, while the sum is 39.

The square root of 27838533 is about 5276.2233652490. The cubic root of 27838533 is about 303.0740704884.

The spelling of 27838533 in words is "twenty-seven million, eight hundred thirty-eight thousand, five hundred thirty-three".