1088993 has 2 divisors, whose sum is σ = 1088994. Its totient is φ = 1088992.

The previous prime is 1088987. The next prime is 1089017. The reversal of 1088993 is 3998801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 21904 = 1033^2 + 148^2 .

It is an emirp because it is prime and its reverse (3998801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1088993 - 2⁴ = 1088977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1088903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544496 + 544497.

It is an arithmetic number, because the mean of its divisors is an integer number (544497).

2^1088993 is an apocalyptic number.

It is an amenable number.

1088993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088993 is an equidigital number, since it uses as much as digits as its factorization.

1088993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1088993 is about 1043.5482739193. The cubic root of 1088993 is about 102.8825443400.

The spelling of 1088993 in words is "one million, eighty-eight thousand, nine hundred ninety-three".