838969 has 2 divisors, whose sum is σ = 838970. Its totient is φ = 838968.

The previous prime is 838963. The next prime is 838991. The reversal of 838969 is 969838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831744 + 7225 = 912^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 838969 - 2¹¹ = 836921 is a prime.

It is a super-2 number, since 2×838969² = 1407737965922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (838963) 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 as a sum of consecutive naturals, namely, 419484 + 419485.

It is an arithmetic number, because the mean of its divisors is an integer number (419485).

2⁸³⁸⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

838969 is a deficient number, since it is larger than the sum of its proper divisors (1).

838969 is an equidigital number, since it uses as much as digits as its factorization.

838969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 838969 is about 915.9525096860. The cubic root of 838969 is about 94.3152610839.

The spelling of 838969 in words is "eight hundred thirty-eight thousand, nine hundred sixty-nine".