1842198 has 8 divisors (see below), whose sum is σ = 3684408. Its totient is φ = 614064.

The previous prime is 1842187. The next prime is 1842199. The reversal of 1842198 is 8912481.

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

1842198 is an admirable 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, 153511 + ... + 153522.

It is an arithmetic number, because the mean of its divisors is an integer number (460551).

2^1842198 is an apocalyptic number.

1842198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1842198 is a wasteful number, since it uses less digits than its factorization.

1842198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307038.

The product of its digits is 4608, while the sum is 33.

The square root of 1842198 is about 1357.2759483613. The cubic root of 1842198 is about 122.5872875038.

The spelling of 1842198 in words is "one million, eight hundred forty-two thousand, one hundred ninety-eight".