1084768489 has 4 divisors (see below), whose sum is σ = 1239735424. Its totient is φ = 929801556.

The previous prime is 1084768471. The next prime is 1084768541. The reversal of 1084768489 is 9848674801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1084768489 - 2⁷ = 1084768361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084768409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77483457 + ... + 77483470.

It is an arithmetic number, because the mean of its divisors is an integer number (309933856).

Almost surely, 2^1084768489 is an apocalyptic number.

It is an amenable number.

1084768489 is a deficient number, since it is larger than the sum of its proper divisors (154966935).

1084768489 is an equidigital number, since it uses as much as digits as its factorization.

1084768489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154966934.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 1084768489 is about 32935.8237941607. The cubic root of 1084768489 is about 1027.4933513658.

The spelling of 1084768489 in words is "one billion, eighty-four million, seven hundred sixty-eight thousand, four hundred eighty-nine".