1844198 has 4 divisors (see below), whose sum is σ = 2766300. Its totient is φ = 922098.

The previous prime is 1844189. The next prime is 1844201. The reversal of 1844198 is 8914481.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461048 + ... + 461051.

It is an arithmetic number, because the mean of its divisors is an integer number (691575).

2^1844198 is an apocalyptic number.

1844198 is a deficient number, since it is larger than the sum of its proper divisors (922102).

1844198 is an equidigital number, since it uses as much as digits as its factorization.

1844198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922101.

The product of its digits is 9216, while the sum is 35.

The square root of 1844198 is about 1358.0125183517. The cubic root of 1844198 is about 122.6316341490.

The spelling of 1844198 in words is "one million, eight hundred forty-four thousand, one hundred ninety-eight".