1108693 has 2 divisors, whose sum is σ = 1108694. Its totient is φ = 1108692.

The previous prime is 1108691. The next prime is 1108697. The reversal of 1108693 is 3968011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 439569 = 818^2 + 663^2 .

It is an emirp because it is prime and its reverse (3968011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1108693 - 2¹ = 1108691 is a prime.

Together with 1108691, it forms a pair of twin primes.

It is equal to p₈₆₃₅₆ and since 1108693 and 86356 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108691) 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 as a sum of consecutive naturals, namely, 554346 + 554347.

It is an arithmetic number, because the mean of its divisors is an integer number (554347).

2^1108693 is an apocalyptic number.

It is an amenable number.

1108693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108693 is an equidigital number, since it uses as much as digits as its factorization.

1108693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1108693 is about 1052.9449178376. The cubic root of 1108693 is about 103.4992259583.

The spelling of 1108693 in words is "one million, one hundred eight thousand, six hundred ninety-three".