1066984782 has 32 divisors (see below), whose sum is σ = 2182460544. Its totient is φ = 347661600.

The previous prime is 1066984781. The next prime is 1066984783. The reversal of 1066984782 is 2874896601.

It is an interprime number because it is at equal distance from previous prime (1066984781) and next prime (1066984783).

It is a super-2 number, since 2×1066984782² = 2276913050039175048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066984781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42532 + ... + 62792.

It is an arithmetic number, because the mean of its divisors is an integer number (68201892).

Almost surely, 2^1066984782 is an apocalyptic number.

1066984782 is an abundant number, since it is smaller than the sum of its proper divisors (1115475762).

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

1066984782 is a wasteful number, since it uses less digits than its factorization.

1066984782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20464.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 1066984782 is about 32664.7330005926. The cubic root of 1066984782 is about 1021.8474725875.

The spelling of 1066984782 in words is "one billion, sixty-six million, nine hundred eighty-four thousand, seven hundred eighty-two".