27938528 has 12 divisors (see below), whose sum is σ = 55004040. Its totient is φ = 13969248.

The previous prime is 27938527. The next prime is 27938567. The reversal of 27938528 is 82583972.

It is a super-2 number, since 2×27938528² = 1561122693613568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27938527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436508 + ... + 436571.

It is an arithmetic number, because the mean of its divisors is an integer number (4583670).

Almost surely, 2^27938528 is an apocalyptic number.

It is an amenable number.

27938528 is a deficient number, since it is larger than the sum of its proper divisors (27065512).

27938528 is an equidigital number, since it uses as much as digits as its factorization.

27938528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873089 (or 873081 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 27938528 is about 5285.6908725350. The cubic root of 27938528 is about 303.4365138929.

The spelling of 27938528 in words is "twenty-seven million, nine hundred thirty-eight thousand, five hundred twenty-eight".