1089884159 has 8 divisors (see below), whose sum is σ = 1341396000. Its totient is φ = 862325856.

The previous prime is 1089884153. The next prime is 1089884171. The reversal of 1089884159 is 9514889801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1089884159 - 2⁸ = 1089883903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1089884159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089884153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5988284 + ... + 5988465.

It is an arithmetic number, because the mean of its divisors is an integer number (167674500).

Almost surely, 2^1089884159 is an apocalyptic number.

1089884159 is a deficient number, since it is larger than the sum of its proper divisors (251511841).

1089884159 is a wasteful number, since it uses less digits than its factorization.

1089884159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976769.

The product of its (nonzero) digits is 829440, while the sum is 53.

The square root of 1089884159 is about 33013.3936304646. The cubic root of 1089884159 is about 1029.1060075146.

The spelling of 1089884159 in words is "one billion, eighty-nine million, eight hundred eighty-four thousand, one hundred fifty-nine".