1097893 has 2 divisors, whose sum is σ = 1097894. Its totient is φ = 1097892.

The previous prime is 1097891. The next prime is 1097897. The reversal of 1097893 is 3987901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 20449 = 1038^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097893 - 2¹ = 1097891 is a prime.

Together with 1097891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548946 + 548947.

It is an arithmetic number, because the mean of its divisors is an integer number (548947).

2^1097893 is an apocalyptic number.

It is an amenable number.

1097893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097893 is an equidigital number, since it uses as much as digits as its factorization.

1097893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1097893 is about 1047.8038938656. The cubic root of 1097893 is about 103.1620598973.

It can be divided in two parts, 10 and 97893, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 1097893 in words is "one million, ninety-seven thousand, eight hundred ninety-three".