969839 has 8 divisors (see below), whose sum is σ = 1062432. Its totient is φ = 879840.

The previous prime is 969821. The next prime is 969851. The reversal of 969839 is 938969.

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

It is not a de Polignac number, because 969839 - 2¹⁶ = 904303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 969839.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 969839.

It is not an unprimeable number, because it can be changed into a prime (969809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182 + ... + 1404.

It is an arithmetic number, because the mean of its divisors is an integer number (132804).

2⁹⁶⁹⁸³⁹ is an apocalyptic number.

969839 is a deficient number, since it is larger than the sum of its proper divisors (92593).

969839 is a wasteful number, since it uses less digits than its factorization.

969839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its digits is 104976, while the sum is 44.

The square root of 969839 is about 984.8040414214. The cubic root of 969839 is about 98.9843528650.

The spelling of 969839 in words is "nine hundred sixty-nine thousand, eight hundred thirty-nine".