938842469 has 2 divisors, whose sum is σ = 938842470. Its totient is φ = 938842468.

The previous prime is 938842441. The next prime is 938842501. The reversal of 938842469 is 964248839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 771450625 + 167391844 = 27775^2 + 12938^2 .

It is an emirp because it is prime and its reverse (964248839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938842469 - 2²⁴ = 922065253 is a prime.

It is a super-2 number, since 2×938842469² = 1762850363196031922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 938842469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938842769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469421234 + 469421235.

It is an arithmetic number, because the mean of its divisors is an integer number (469421235).

Almost surely, 2^938842469 is an apocalyptic number.

It is an amenable number.

938842469 is a deficient number, since it is larger than the sum of its proper divisors (1).

938842469 is an equidigital number, since it uses as much as digits as its factorization.

938842469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 53.

The square root of 938842469 is about 30640.5363693262. The cubic root of 938842469 is about 979.1838508995.

The spelling of 938842469 in words is "nine hundred thirty-eight million, eight hundred forty-two thousand, four hundred sixty-nine".