27248138 has 8 divisors (see below), whose sum is σ = 40942020. Its totient is φ = 13600800.

The previous prime is 27248129. The next prime is 27248141. The reversal of 27248138 is 83184272.

It can be written as a sum of positive squares in 2 ways, for example, as 21132409 + 6115729 = 4597^2 + 2473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×27248138² = 1484922048934088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27248098 and 27248107.

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 in 3 ways as a sum of consecutive naturals, for example, 10133 + ... + 12536.

Almost surely, 2^27248138 is an apocalyptic number.

27248138 is a deficient number, since it is larger than the sum of its proper divisors (13693882).

27248138 is a wasteful number, since it uses less digits than its factorization.

27248138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23272.

The product of its digits is 21504, while the sum is 35.

The square root of 27248138 is about 5219.9749041542. The cubic root of 27248138 is about 300.9162285318.

The spelling of 27248138 in words is "twenty-seven million, two hundred forty-eight thousand, one hundred thirty-eight".