388262339 has 2 divisors, whose sum is σ = 388262340. Its totient is φ = 388262338.

The previous prime is 388262323. The next prime is 388262341. The reversal of 388262339 is 933262883.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 388262339 - 2⁴ = 388262323 is a prime.

Together with 388262341, it forms a pair of twin primes.

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 388262339.

It is not a weakly prime, because it can be changed into another prime (388282339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194131169 + 194131170.

It is an arithmetic number, because the mean of its divisors is an integer number (194131170).

Almost surely, 2^388262339 is an apocalyptic number.

388262339 is a deficient number, since it is larger than the sum of its proper divisors (1).

388262339 is an equidigital number, since it uses as much as digits as its factorization.

388262339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 388262339 is about 19704.3736008024. The cubic root of 388262339 is about 729.5276477638.

The spelling of 388262339 in words is "three hundred eighty-eight million, two hundred sixty-two thousand, three hundred thirty-nine".