1098893 has 4 divisors (see below), whose sum is σ = 1101120. Its totient is φ = 1096668.

The previous prime is 1098847. The next prime is 1098953. The reversal of 1098893 is 3988901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3988901 = 7 ⋅569843.

It is a cyclic number.

It is not a de Polignac number, because 1098893 - 2¹⁰ = 1097869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (275280).

2^1098893 is an apocalyptic number.

It is an amenable number.

1098893 is a deficient number, since it is larger than the sum of its proper divisors (2227).

1098893 is an equidigital number, since it uses as much as digits as its factorization.

1098893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226.

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

The square root of 1098893 is about 1048.2809737852. The cubic root of 1098893 is about 103.1933716172.

It can be divided in two parts, 1098 and 893, that added together give a palindrome (1991).

The spelling of 1098893 in words is "one million, ninety-eight thousand, eight hundred ninety-three".