1842193 has 4 divisors (see below), whose sum is σ = 1892020. Its totient is φ = 1792368.

The previous prime is 1842187. The next prime is 1842199. The reversal of 1842193 is 3912481.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1842187) and next prime (1842199).

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 795664 = 1023^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1842193 - 2⁵ = 1842161 is a prime.

It is a Duffinian number.

1842193 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842199) 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, 24858 + ... + 24931.

It is an arithmetic number, because the mean of its divisors is an integer number (473005).

2^1842193 is an apocalyptic number.

It is an amenable number.

1842193 is a deficient number, since it is larger than the sum of its proper divisors (49827).

1842193 is an equidigital number, since it uses as much as digits as its factorization.

1842193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49826.

The product of its digits is 1728, while the sum is 28.

The square root of 1842193 is about 1357.2741064354. The cubic root of 1842193 is about 122.5871765970.

The spelling of 1842193 in words is "one million, eight hundred forty-two thousand, one hundred ninety-three".