1099098 has 96 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 259200.

The previous prime is 1099097. The next prime is 1099103. The reversal of 1099098 is 8909901.

It is not an unprimeable number, because it can be changed into a prime (1099097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17988 + ... + 18048.

It is an arithmetic number, because the mean of its divisors is an integer number (33852).

2^1099098 is an apocalyptic number.

1099098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624896).

1099098 is an abundant number, since it is smaller than the sum of its proper divisors (2150694).

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

1099098 is a wasteful number, since it uses less digits than its factorization.

1099098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 1099098 is about 1048.3787483539. The cubic root of 1099098 is about 103.1997881734.

The spelling of 1099098 in words is "one million, ninety-nine thousand, ninety-eight".