1198343 has 2 divisors, whose sum is σ = 1198344. Its totient is φ = 1198342.

The previous prime is 1198321. The next prime is 1198361. The reversal of 1198343 is 3438911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1198343 - 2²⁰ = 149767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1198303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599171 + 599172.

It is an arithmetic number, because the mean of its divisors is an integer number (599172).

2^1198343 is an apocalyptic number.

1198343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198343 is an equidigital number, since it uses as much as digits as its factorization.

1198343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 1198343 is about 1094.6885401794. The cubic root of 1198343 is about 106.2169225755.

The spelling of 1198343 in words is "one million, one hundred ninety-eight thousand, three hundred forty-three".