1198393 has 12 divisors (see below), whose sum is σ = 1433892. Its totient is φ = 997920.

The previous prime is 1198363. The next prime is 1198397. The reversal of 1198393 is 3938911.

It can be written as a sum of positive squares in 2 ways, for example, as 1016064 + 182329 = 1008^2 + 427^2 .

It is not a de Polignac number, because 1198393 - 2⁵ = 1198361 is a prime.

It is a super-2 number, since 2×1198393² = 2872291564898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1483 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (119491).

2^1198393 is an apocalyptic number.

It is an amenable number.

1198393 is a deficient number, since it is larger than the sum of its proper divisors (235499).

1198393 is an equidigital number, since it uses as much as digits as its factorization.

1198393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 705 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 1198393 is about 1094.7113774872. The cubic root of 1198393 is about 106.2183998298.

The spelling of 1198393 in words is "one million, one hundred ninety-eight thousand, three hundred ninety-three".