388469141 has 2 divisors, whose sum is σ = 388469142. Its totient is φ = 388469140.

The previous prime is 388469119. The next prime is 388469161. The reversal of 388469141 is 141964883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348905041 + 39564100 = 18679^2 + 6290^2 .

It is a cyclic number.

It is not a de Polignac number, because 388469141 - 2⁶ = 388469077 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 388469092 and 388469101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388469161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194234570 + 194234571.

It is an arithmetic number, because the mean of its divisors is an integer number (194234571).

Almost surely, 2^388469141 is an apocalyptic number.

It is an amenable number.

388469141 is a deficient number, since it is larger than the sum of its proper divisors (1).

388469141 is an equidigital number, since it uses as much as digits as its factorization.

388469141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 388469141 is about 19709.6205189243. The cubic root of 388469141 is about 729.6571486910.

The spelling of 388469141 in words is "three hundred eighty-eight million, four hundred sixty-nine thousand, one hundred forty-one".