1098383328 has 288 divisors, whose sum is σ = 3923023104. Its totient is φ = 295114752.

The previous prime is 1098383303. The next prime is 1098383329. The reversal of 1098383328 is 8233838901.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098383329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 924751 + ... + 925937.

It is an arithmetic number, because the mean of its divisors is an integer number (13621608).

Almost surely, 2^1098383328 is an apocalyptic number.

1098383328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098383328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961511552).

1098383328 is an abundant number, since it is smaller than the sum of its proper divisors (2824639776).

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

1098383328 is a wasteful number, since it uses less digits than its factorization.

1098383328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1098383328 is about 33141.8666945602. The cubic root of 1098383328 is about 1031.7741528498.

The spelling of 1098383328 in words is "one billion, ninety-eight million, three hundred eighty-three thousand, three hundred twenty-eight".