938402867 has 2 divisors, whose sum is σ = 938402868. Its totient is φ = 938402866.

The previous prime is 938402849. The next prime is 938402869. The reversal of 938402867 is 768204839.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938402867 - 2¹⁴ = 938386483 is a prime.

Together with 938402869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (938402869) 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, 469201433 + 469201434.

It is an arithmetic number, because the mean of its divisors is an integer number (469201434).

Almost surely, 2^938402867 is an apocalyptic number.

938402867 is a deficient number, since it is larger than the sum of its proper divisors (1).

938402867 is an equidigital number, since it uses as much as digits as its factorization.

938402867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 938402867 is about 30633.3619930950. The cubic root of 938402867 is about 979.0309965796.

The spelling of 938402867 in words is "nine hundred thirty-eight million, four hundred two thousand, eight hundred sixty-seven".