27100393 has 4 divisors (see below), whose sum is σ = 27206100. Its totient is φ = 26994688.

The previous prime is 27100373. The next prime is 27100399. The reversal of 27100393 is 39300172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20684304 + 6416089 = 4548^2 + 2533^2 .

It is a cyclic number.

It is not a de Polignac number, because 27100393 - 2⁹ = 27099881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27100399) by changing a digit.

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, 52468 + ... + 52981.

It is an arithmetic number, because the mean of its divisors is an integer number (6801525).

Almost surely, 2^27100393 is an apocalyptic number.

It is an amenable number.

27100393 is a deficient number, since it is larger than the sum of its proper divisors (105707).

27100393 is a wasteful number, since it uses less digits than its factorization.

27100393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105706.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 27100393 is about 5205.8037803974. The cubic root of 27100393 is about 300.3713660271.

The spelling of 27100393 in words is "twenty-seven million, one hundred thousand, three hundred ninety-three".