838996331 has 2 divisors, whose sum is σ = 838996332. Its totient is φ = 838996330.

The previous prime is 838996273. The next prime is 838996339. The reversal of 838996331 is 133699838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 838996331 - 2¹⁰ = 838995307 is a prime.

It is a super-2 number, since 2×838996331² = 1407829686862923122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 838996331.

It is not a weakly prime, because it can be changed into another prime (838996339) 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, 419498165 + 419498166.

It is an arithmetic number, because the mean of its divisors is an integer number (419498166).

Almost surely, 2^838996331 is an apocalyptic number.

838996331 is a deficient number, since it is larger than the sum of its proper divisors (1).

838996331 is an equidigital number, since it uses as much as digits as its factorization.

838996331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 838996331 is about 28965.4333818778. The cubic root of 838996331 is about 943.1628523874.

The spelling of 838996331 in words is "eight hundred thirty-eight million, nine hundred ninety-six thousand, three hundred thirty-one".