1842199 has 2 divisors, whose sum is σ = 1842200. Its totient is φ = 1842198.

The previous prime is 1842187. The next prime is 1842229. The reversal of 1842199 is 9912481.

It is a weak prime.

It is an emirp because it is prime and its reverse (9912481) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1842199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1842899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921099 + 921100.

It is an arithmetic number, because the mean of its divisors is an integer number (921100).

2^1842199 is an apocalyptic number.

1842199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842199 is an equidigital number, since it uses as much as digits as its factorization.

1842199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 1842199 is about 1357.2763167462. The cubic root of 1842199 is about 122.5873096852.

The spelling of 1842199 in words is "one million, eight hundred forty-two thousand, one hundred ninety-nine".