1198842 has 8 divisors (see below), whose sum is σ = 2397696. Its totient is φ = 399612.

The previous prime is 1198819. The next prime is 1198849. The reversal of 1198842 is 2488911.

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

1198842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1198849) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 99898 + ... + 99909.

It is an arithmetic number, because the mean of its divisors is an integer number (299712).

2^1198842 is an apocalyptic number.

1198842 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.

1198842 is a wasteful number, since it uses less digits than its factorization.

1198842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199812.

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

The square root of 1198842 is about 1094.9164351675. The cubic root of 1198842 is about 106.2316637331.

The spelling of 1198842 in words is "one million, one hundred ninety-eight thousand, eight hundred forty-two".