27938536 has 8 divisors (see below), whose sum is σ = 52384770. Its totient is φ = 13969264.

The previous prime is 27938527. The next prime is 27938567. The reversal of 27938536 is 63583972.

It can be written as a sum of positive squares in only one way, i.e., 22033636 + 5904900 = 4694^2 + 2430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 27938492 and 27938501.

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, 1746151 + ... + 1746166.

Almost surely, 2^27938536 is an apocalyptic number.

It is an amenable number.

27938536 is a deficient number, since it is larger than the sum of its proper divisors (24446234).

27938536 is a wasteful number, since it uses less digits than its factorization.

27938536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492323 (or 3492319 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 27938536 is about 5285.6916292951. The cubic root of 27938536 is about 303.4365428552.

The spelling of 27938536 in words is "twenty-seven million, nine hundred thirty-eight thousand, five hundred thirty-six".