1084989066 has 96 divisors (see below), whose sum is σ = 2595369600. Its totient is φ = 301392000.

The previous prime is 1084989047. The next prime is 1084989071. The reversal of 1084989066 is 6609894801.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1811035 + ... + 1811633.

It is an arithmetic number, because the mean of its divisors is an integer number (27035100).

Almost surely, 2^1084989066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1084989066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297684800).

1084989066 is an abundant number, since it is smaller than the sum of its proper divisors (1510380534).

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

1084989066 is a wasteful number, since it uses less digits than its factorization.

1084989066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 1084989066 is about 32939.1722118210. The cubic root of 1084989066 is about 1027.5629902007.

The spelling of 1084989066 in words is "one billion, eighty-four million, nine hundred eighty-nine thousand, sixty-six".