27690248 has 8 divisors (see below), whose sum is σ = 51919230. Its totient is φ = 13845120.

The previous prime is 27690241. The next prime is 27690259. The reversal of 27690248 is 84209672.

It can be written as a sum of positive squares in only one way, i.e., 14455204 + 13235044 = 3802^2 + 3638^2 .

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

It is not an unprimeable number, because it can be changed into a prime (27690241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730633 + ... + 1730648.

Almost surely, 2^27690248 is an apocalyptic number.

It is an amenable number.

27690248 is a deficient number, since it is larger than the sum of its proper divisors (24228982).

27690248 is a wasteful number, since it uses less digits than its factorization.

27690248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461287 (or 3461283 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 27690248 is about 5262.1524113237. The cubic root of 27690248 is about 302.5349931060.

The spelling of 27690248 in words is "twenty-seven million, six hundred ninety thousand, two hundred forty-eight".