388480307 has 2 divisors, whose sum is σ = 388480308. Its totient is φ = 388480306.

The previous prime is 388480303. The next prime is 388480321. The reversal of 388480307 is 703084883.

It is a weak prime.

It is an emirp because it is prime and its reverse (703084883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 388480307 - 2² = 388480303 is a prime.

It is not a weakly prime, because it can be changed into another prime (388480303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194240153 + 194240154.

It is an arithmetic number, because the mean of its divisors is an integer number (194240154).

Almost surely, 2^388480307 is an apocalyptic number.

388480307 is a deficient number, since it is larger than the sum of its proper divisors (1).

388480307 is an equidigital number, since it uses as much as digits as its factorization.

388480307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 388480307 is about 19709.9037795723. The cubic root of 388480307 is about 729.6641396141.

The spelling of 388480307 in words is "three hundred eighty-eight million, four hundred eighty thousand, three hundred seven".