27388193 has 16 divisors (see below), whose sum is σ = 33162240. Its totient is φ = 22111056.

The previous prime is 27388183. The next prime is 27388199. The reversal of 27388193 is 39188372.

It is a cyclic number.

It is not a de Polignac number, because 27388193 - 2⁶ = 27388129 is a prime.

It is a super-2 number, since 2×27388193² = 1500226231610498, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27388193.

It is not an unprimeable number, because it can be changed into a prime (27388199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9518 + ... + 12056.

It is an arithmetic number, because the mean of its divisors is an integer number (2072640).

Almost surely, 2^27388193 is an apocalyptic number.

27388193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27388193 is a deficient number, since it is larger than the sum of its proper divisors (5774047).

27388193 is a wasteful number, since it uses less digits than its factorization.

27388193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636.

The product of its digits is 72576, while the sum is 41.

The square root of 27388193 is about 5233.3730040959. The cubic root of 27388193 is about 301.4309159326.

The spelling of 27388193 in words is "twenty-seven million, three hundred eighty-eight thousand, one hundred ninety-three".