27838975 has 12 divisors (see below), whose sum is σ = 34718760. Its totient is φ = 22143200.

The previous prime is 27838957. The next prime is 27838981. The reversal of 27838975 is 57983872.

It is not a de Polignac number, because 27838975 - 2⁷ = 27838847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (2893230).

Almost surely, 2^27838975 is an apocalyptic number.

27838975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27838975 is a deficient number, since it is larger than the sum of its proper divisors (6879785).

27838975 is a wasteful number, since it uses less digits than its factorization.

27838975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410 (or 6405 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 27838975 is about 5276.2652511033. The cubic root of 27838975 is about 303.0756744766.

The spelling of 27838975 in words is "twenty-seven million, eight hundred thirty-eight thousand, nine hundred seventy-five".