1098793 has 4 divisors (see below), whose sum is σ = 1116868. Its totient is φ = 1080720.

The previous prime is 1098791. The next prime is 1098803. The reversal of 1098793 is 3978901.

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 501264 + 597529 = 708^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098793 - 2¹ = 1098791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098791) 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 in 3 ways as a sum of consecutive naturals, for example, 8946 + ... + 9067.

It is an arithmetic number, because the mean of its divisors is an integer number (279217).

2^1098793 is an apocalyptic number.

It is an amenable number.

1098793 is a deficient number, since it is larger than the sum of its proper divisors (18075).

1098793 is an equidigital number, since it uses as much as digits as its factorization.

1098793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18074.

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

The square root of 1098793 is about 1048.2332755642. The cubic root of 1098793 is about 103.1902413003.

It can be divided in two parts, 1098 and 793, that added together give a triangular number (1891 = T₆₁).

The spelling of 1098793 in words is "one million, ninety-eight thousand, seven hundred ninety-three".