1099198 has 8 divisors (see below), whose sum is σ = 1702080. Its totient is φ = 531840.

The previous prime is 1099181. The next prime is 1099199. The reversal of 1099198 is 8919901.

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 (1099199) 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, 8803 + ... + 8926.

It is an arithmetic number, because the mean of its divisors is an integer number (212760).

2^1099198 is an apocalyptic number.

1099198 is a deficient number, since it is larger than the sum of its proper divisors (602882).

1099198 is a wasteful number, since it uses less digits than its factorization.

1099198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17762.

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 1099198 is about 1048.4264399566. The cubic root of 1099198 is about 103.2029179112.

The spelling of 1099198 in words is "one million, ninety-nine thousand, one hundred ninety-eight".