1065768984 has 48 divisors (see below), whose sum is σ = 3298810320. Its totient is φ = 304505280.

The previous prime is 1065768983. The next prime is 1065769007. The reversal of 1065768984 is 4898675601.

It is a super-2 number, since 2×1065768984² = 2271727054512784512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065768984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065768983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056807 + ... + 1057814.

It is an arithmetic number, because the mean of its divisors is an integer number (68725215).

Almost surely, 2^1065768984 is an apocalyptic number.

1065768984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1065768984 is an abundant number, since it is smaller than the sum of its proper divisors (2233041336).

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

1065768984 is a wasteful number, since it uses less digits than its factorization.

1065768984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114640 (or 2114633 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 1065768984 is about 32646.1174414355. The cubic root of 1065768984 is about 1021.4592032916.

The spelling of 1065768984 in words is "one billion, sixty-five million, seven hundred sixty-eight thousand, nine hundred eighty-four".