27938516 has 6 divisors (see below), whose sum is σ = 48892410. Its totient is φ = 13969256.

The previous prime is 27938503. The next prime is 27938527. The reversal of 27938516 is 61583972.

It can be written as a sum of positive squares in only one way, i.e., 17724100 + 10214416 = 4210^2 + 3196^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492311 + ... + 3492318.

It is an arithmetic number, because the mean of its divisors is an integer number (8148735).

Almost surely, 2^27938516 is an apocalyptic number.

It is an amenable number.

27938516 is a deficient number, since it is larger than the sum of its proper divisors (20953894).

27938516 is a wasteful number, since it uses less digits than its factorization.

27938516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984633 (or 6984631 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 27938516 is about 5285.6897373947. The cubic root of 27938516 is about 303.4364704495.

The spelling of 27938516 in words is "twenty-seven million, nine hundred thirty-eight thousand, five hundred sixteen".