1098862848 has 180 divisors, whose sum is σ = 3305485260. Its totient is φ = 363073536.

The previous prime is 1098862823. The next prime is 1098862861. The reversal of 1098862848 is 8482688901.

1098862848 is a `hidden beast` number, since 1 + 0 + 9 + 8 + 8 + 628 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 613453824 + 485409024 = 24768^2 + 22032^2 .

It is a super-2 number, since 2×1098862848² = 2414999117429342208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1098862794 and 1098862803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4084858 + ... + 4085126.

It is an arithmetic number, because the mean of its divisors is an integer number (18363807).

Almost surely, 2^1098862848 is an apocalyptic number.

1098862848 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 1098862848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652742630).

1098862848 is an abundant number, since it is smaller than the sum of its proper divisors (2206622412).

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

1098862848 is an equidigital number, since it uses as much as digits as its factorization.

1098862848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The square root of 1098862848 is about 33149.1002592831. The cubic root of 1098862848 is about 1031.9242778405.

The spelling of 1098862848 in words is "one billion, ninety-eight million, eight hundred sixty-two thousand, eight hundred forty-eight".