1009340839 has 24 divisors (see below), whose sum is σ = 1130395392. Its totient is φ = 900300960.

The previous prime is 1009340821. The next prime is 1009340861. The reversal of 1009340839 is 9380439001.

1009340839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1009340839 - 2¹¹ = 1009338791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1009340798 and 1009340807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009340869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658504 + ... + 660034.

It is an arithmetic number, because the mean of its divisors is an integer number (47099808).

Almost surely, 2^1009340839 is an apocalyptic number.

1009340839 is a deficient number, since it is larger than the sum of its proper divisors (121054553).

1009340839 is a wasteful number, since it uses less digits than its factorization.

1009340839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1009340839 is about 31770.1249446709. The cubic root of 1009340839 is about 1003.1039684116.

The spelling of 1009340839 in words is "one billion, nine million, three hundred forty thousand, eight hundred thirty-nine".