838975969 has 8 divisors (see below), whose sum is σ = 904460480. Its totient is φ = 773626896.

The previous prime is 838975937. The next prime is 838975981. The reversal of 838975969 is 969579838.

It is a happy number.

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 838975969 - 2⁵ = 838975937 is a prime.

It is a super-2 number, since 2×838975969² = 1407761353118977922, which contains 22 as substring.

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 838975969.

It is not an unprimeable number, because it can be changed into a prime (838975919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20799 + ... + 45940.

It is an arithmetic number, because the mean of its divisors is an integer number (113057560).

Almost surely, 2^838975969 is an apocalyptic number.

It is an amenable number.

838975969 is a deficient number, since it is larger than the sum of its proper divisors (65484511).

838975969 is a wasteful number, since it uses less digits than its factorization.

838975969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67719.

The product of its digits is 29393280, while the sum is 64.

The square root of 838975969 is about 28965.0818918228. The cubic root of 838975969 is about 943.1552223035.

The spelling of 838975969 in words is "eight hundred thirty-eight million, nine hundred seventy-five thousand, nine hundred sixty-nine".