1398342199 has 2 divisors, whose sum is σ = 1398342200. Its totient is φ = 1398342198.

The previous prime is 1398342173. The next prime is 1398342227. The reversal of 1398342199 is 9912438931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1398342199 - 2⁹ = 1398341687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398346199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699171099 + 699171100.

It is an arithmetic number, because the mean of its divisors is an integer number (699171100).

Almost surely, 2^1398342199 is an apocalyptic number.

1398342199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398342199 is an equidigital number, since it uses as much as digits as its factorization.

1398342199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 1398342199 is about 37394.4140079772. The cubic root of 1398342199 is about 1118.2472049023.

The spelling of 1398342199 in words is "one billion, three hundred ninety-eight million, three hundred forty-two thousand, one hundred ninety-nine".