1089084800 has 48 divisors (see below), whose sum is σ = 2690387700. Its totient is φ = 435632640.

The previous prime is 1089084793. The next prime is 1089084827. The reversal of 1089084800 is 84809801.

It is a super-2 number, since 2×1089084800² = 2372211403182080000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166970 + ... + 173369.

Almost surely, 2^1089084800 is an apocalyptic number.

1089084800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089084800 is an abundant number, since it is smaller than the sum of its proper divisors (1601302900).

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

1089084800 is an equidigital number, since it uses as much as digits as its factorization.

1089084800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340363 (or 340346 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1089084800 is about 33001.2848234732. The cubic root of 1089084800 is about 1028.8543519179.

The spelling of 1089084800 in words is "one billion, eighty-nine million, eighty-four thousand, eight hundred".