1098153984 has 64 divisors (see below), whose sum is σ = 2928628080. Its totient is φ = 366018560.

The previous prime is 1098153971. The next prime is 1098154009. The reversal of 1098153984 is 4893518901.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92719 + ... + 103889.

Almost surely, 2^1098153984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098153984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464314040).

1098153984 is an abundant number, since it is smaller than the sum of its proper divisors (1830474096).

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

1098153984 is an frugal number, since it uses more digits than its factorization.

1098153984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204 (or 11176 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 1098153984 is about 33138.4064794914. The cubic root of 1098153984 is about 1031.7023358812.

The spelling of 1098153984 in words is "one billion, ninety-eight million, one hundred fifty-three thousand, nine hundred eighty-four".