1098811476 has 288 divisors, whose sum is σ = 3490905600. Its totient is φ = 290594304.

The previous prime is 1098811471. The next prime is 1098811501. The reversal of 1098811476 is 6741188901.

It is a happy number.

1098811476 is a `hidden beast` number, since 10 + 98 + 81 + 1 + 476 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098811471) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 15052176 + ... + 15052248.

It is an arithmetic number, because the mean of its divisors is an integer number (12121200).

Almost surely, 2^1098811476 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 1098811476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745452800).

1098811476 is an abundant number, since it is smaller than the sum of its proper divisors (2392094124).

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

1098811476 is a wasteful number, since it uses less digits than its factorization.

1098811476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 1098811476 is about 33148.3253875667. The cubic root of 1098811476 is about 1031.9081967193.

The spelling of 1098811476 in words is "one billion, ninety-eight million, eight hundred eleven thousand, four hundred seventy-six".