1082838789 has 12 divisors (see below), whose sum is σ = 1565515276. Its totient is φ = 721239552.

The previous prime is 1082838763. The next prime is 1082838793. The reversal of 1082838789 is 9878382801.

It can be written as a sum of positive squares in 2 ways, for example, as 563682564 + 519156225 = 23742^2 + 22785^2 .

It is not a de Polignac number, because 1082838789 - 2⁷ = 1082838661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082838989) 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, 43804 + ... + 63909.

Almost surely, 2^1082838789 is an apocalyptic number.

It is an amenable number.

1082838789 is a deficient number, since it is larger than the sum of its proper divisors (482676487).

1082838789 is a wasteful number, since it uses less digits than its factorization.

1082838789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108836 (or 108833 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 1082838789 is about 32906.5159049086. The cubic root of 1082838789 is about 1026.8837187380.

The spelling of 1082838789 in words is "one billion, eighty-two million, eight hundred thirty-eight thousand, seven hundred eighty-nine".