388860097 has 2 divisors, whose sum is σ = 388860098. Its totient is φ = 388860096.

The previous prime is 388860083. The next prime is 388860139. The reversal of 388860097 is 790068883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374654736 + 14205361 = 19356^2 + 3769^2 .

It is a cyclic number.

It is not a de Polignac number, because 388860097 - 2²³ = 380471489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388860097.

It is not a weakly prime, because it can be changed into another prime (388860077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194430048 + 194430049.

It is an arithmetic number, because the mean of its divisors is an integer number (194430049).

Almost surely, 2^388860097 is an apocalyptic number.

It is an amenable number.

388860097 is a deficient number, since it is larger than the sum of its proper divisors (1).

388860097 is an equidigital number, since it uses as much as digits as its factorization.

388860097 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 49.

The square root of 388860097 is about 19719.5359225312. The cubic root of 388860097 is about 729.9018426851.

The spelling of 388860097 in words is "three hundred eighty-eight million, eight hundred sixty thousand, ninety-seven".