388696141 has 2 divisors, whose sum is σ = 388696142. Its totient is φ = 388696140.

The previous prime is 388696111. The next prime is 388696183. The reversal of 388696141 is 141696883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318622500 + 70073641 = 17850^2 + 8371^2 .

It is a cyclic number.

It is not a de Polignac number, because 388696141 - 2¹⁷ = 388565069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388696091 and 388696100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388696111) 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, 194348070 + 194348071.

It is an arithmetic number, because the mean of its divisors is an integer number (194348071).

Almost surely, 2^388696141 is an apocalyptic number.

It is an amenable number.

388696141 is a deficient number, since it is larger than the sum of its proper divisors (1).

388696141 is an equidigital number, since it uses as much as digits as its factorization.

388696141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 388696141 is about 19715.3782870124. The cubic root of 388696141 is about 729.7992448523.

The spelling of 388696141 in words is "three hundred eighty-eight million, six hundred ninety-six thousand, one hundred forty-one".