1084845969 has 9 divisors (see below), whose sum is σ = 1567142473. Its totient is φ = 723164772.

The previous prime is 1084845967. The next prime is 1084845989. The reversal of 1084845969 is 9695484801.

The square root of 1084845969 is 32937.

It is a perfect power (a square), and thus also a powerful number.

1084845969 is a `hidden beast` number, since 1 + 0 + 8 + 48 + 4 + 596 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1084845969 - 2¹ = 1084845967 is a prime.

It is a super-2 number, since 2×1084845969² = 2353781552911097922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1084845967) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 93322 + ... + 104300.

Almost surely, 2^1084845969 is an apocalyptic number.

1084845969 is the 32937-th square number.

1084845969 is the 16469-th centered octagonal number.

It is an amenable number.

1084845969 is a deficient number, since it is larger than the sum of its proper divisors (482296504).

1084845969 is an frugal number, since it uses more digits than its factorization.

1084845969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21964 (or 10982 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The cubic root of 1084845969 is about 1027.5178138173.

The spelling of 1084845969 in words is "one billion, eighty-four million, eight hundred forty-five thousand, nine hundred sixty-nine".