938841829 has 2 divisors, whose sum is σ = 938841830. Its totient is φ = 938841828.

The previous prime is 938841791. The next prime is 938841857. The reversal of 938841829 is 928148839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810540900 + 128300929 = 28470^2 + 11327^2 .

It is an emirp because it is prime and its reverse (928148839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938841829 - 2²⁷ = 804624101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938841859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469420914 + 469420915.

It is an arithmetic number, because the mean of its divisors is an integer number (469420915).

Almost surely, 2^938841829 is an apocalyptic number.

It is an amenable number.

938841829 is a deficient number, since it is larger than the sum of its proper divisors (1).

938841829 is an equidigital number, since it uses as much as digits as its factorization.

938841829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The square root of 938841829 is about 30640.5259256430. The cubic root of 938841829 is about 979.1836283993.

It can be divided in two parts, 9 and 38841829, that multiplied together give a triangular number (349576461 = T₂₆₄₄₁).

The spelling of 938841829 in words is "nine hundred thirty-eight million, eight hundred forty-one thousand, eight hundred twenty-nine".