1099028736 has 288 divisors, whose sum is σ = 3566698240. Its totient is φ = 335923200.

The previous prime is 1099028713. The next prime is 1099028743. The reversal of 1099028736 is 6378209901.

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

It is a junction number, because it is equal to n+sod(n) for n = 1099028691 and 1099028700.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7278261 + ... + 7278411.

Almost surely, 2^1099028736 is an apocalyptic number.

1099028736 is a gapful number since it is divisible by the number (16) 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 1099028736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783349120).

1099028736 is an abundant number, since it is smaller than the sum of its proper divisors (2467669504).

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

1099028736 is an frugal number, since it uses more digits than its factorization.

1099028736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1099028736 is about 33151.6023142170. The cubic root of 1099028736 is about 1031.9762028044.

The spelling of 1099028736 in words is "one billion, ninety-nine million, twenty-eight thousand, seven hundred thirty-six".