10839789 has 6 divisors (see below), whose sum is σ = 15657486. Its totient is φ = 7226520.

The previous prime is 10839781. The next prime is 10839793. The reversal of 10839789 is 98793801.

It can be written as a sum of positive squares in only one way, i.e., 8311689 + 2528100 = 2883^2 + 1590^2 .

It is not a de Polignac number, because 10839789 - 2³ = 10839781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10839781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 602202 + ... + 602219.

It is an arithmetic number, because the mean of its divisors is an integer number (2609581).

Almost surely, 2^10839789 is an apocalyptic number.

It is an amenable number.

10839789 is a deficient number, since it is larger than the sum of its proper divisors (4817697).

10839789 is a wasteful number, since it uses less digits than its factorization.

10839789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204427 (or 1204424 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 10839789 is about 3292.3834831319. The cubic root of 10839789 is about 221.3130089622.

It can be divided in two parts, 10839 and 789, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 10839789 in words is "ten million, eight hundred thirty-nine thousand, seven hundred eighty-nine".