538838387 has 2 divisors, whose sum is σ = 538838388. Its totient is φ = 538838386.

The previous prime is 538838369. The next prime is 538838389. The reversal of 538838387 is 783838835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538838387 - 2¹⁴ = 538822003 is a prime.

Together with 538838389, 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 (538838389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269419193 + 269419194.

It is an arithmetic number, because the mean of its divisors is an integer number (269419194).

Almost surely, 2^538838387 is an apocalyptic number.

538838387 is a deficient number, since it is larger than the sum of its proper divisors (1).

538838387 is an equidigital number, since it uses as much as digits as its factorization.

538838387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The square root of 538838387 is about 23212.8926891932. The cubic root of 538838387 is about 813.7409578649.

The spelling of 538838387 in words is "five hundred thirty-eight million, eight hundred thirty-eight thousand, three hundred eighty-seven".