1089049984 has 32 divisors (see below), whose sum is σ = 2366830440. Its totient is φ = 495022080.

The previous prime is 1089049967. The next prime is 1089050059. The reversal of 1089049984 is 4899409801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 385329 + ... + 388144.

Almost surely, 2^1089049984 is an apocalyptic number.

It is an amenable number.

1089049984 is an abundant number, since it is smaller than the sum of its proper divisors (1277780456).

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

1089049984 is an equidigital number, since it uses as much as digits as its factorization.

1089049984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773498 (or 773486 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 1089049984 is about 33000.7573246433. The cubic root of 1089049984 is about 1028.8433882860.

The spelling of 1089049984 in words is "one billion, eighty-nine million, forty-nine thousand, nine hundred eighty-four".