838089709 has 8 divisors (see below), whose sum is σ = 874818432. Its totient is φ = 801385200.

The previous prime is 838089697. The next prime is 838089719. The reversal of 838089709 is 907980838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 838089709 - 2¹⁵ = 838056941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838089719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129859 + ... + 136159.

It is an arithmetic number, because the mean of its divisors is an integer number (109352304).

Almost surely, 2^838089709 is an apocalyptic number.

It is an amenable number.

838089709 is a deficient number, since it is larger than the sum of its proper divisors (36728723).

838089709 is a wasteful number, since it uses less digits than its factorization.

838089709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 838089709 is about 28949.7790837858. The cubic root of 838089709 is about 942.8230017230.

It can be divided in two parts, 8380 and 89709, that added together give a palindrome (98089).

The spelling of 838089709 in words is "eight hundred thirty-eight million, eighty-nine thousand, seven hundred nine".