1098980850 has 96 divisors (see below), whose sum is σ = 3011235840. Its totient is φ = 263016000.

The previous prime is 1098980849. The next prime is 1098980879. The reversal of 1098980850 is 580898901.

It is a self number, because there is not a number n which added to its sum of digits gives 1098980850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126135 + ... + 134565.

It is an arithmetic number, because the mean of its divisors is an integer number (31367040).

Almost surely, 2^1098980850 is an apocalyptic number.

1098980850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098980850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505617920).

1098980850 is an abundant number, since it is smaller than the sum of its proper divisors (1912254990).

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

1098980850 is a wasteful number, since it uses less digits than its factorization.

1098980850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536 (or 8531 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 48.

The square root of 1098980850 is about 33150.8800788154. The cubic root of 1098980850 is about 1031.9612144398.

The spelling of 1098980850 in words is "one billion, ninety-eight million, nine hundred eighty thousand, eight hundred fifty".