1838198 has 8 divisors (see below), whose sum is σ = 2779392. Its totient is φ = 911736.

The previous prime is 1838191. The next prime is 1838203. The reversal of 1838198 is 8918381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838191) 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, 3365 + ... + 3872.

It is an arithmetic number, because the mean of its divisors is an integer number (347424).

2^1838198 is an apocalyptic number.

1838198 is a deficient number, since it is larger than the sum of its proper divisors (941194).

1838198 is a wasteful number, since it uses less digits than its factorization.

1838198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366.

The product of its digits is 13824, while the sum is 38.

The square root of 1838198 is about 1355.8016079058. The cubic root of 1838198 is about 122.4984978297.

The spelling of 1838198 in words is "one million, eight hundred thirty-eight thousand, one hundred ninety-eight".