389053757 has 2 divisors, whose sum is σ = 389053758. Its totient is φ = 389053756.

The previous prime is 389053739. The next prime is 389053829. The reversal of 389053757 is 757350983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332187076 + 56866681 = 18226^2 + 7541^2 .

It is a cyclic number.

It is not a de Polignac number, because 389053757 - 2⁸ = 389053501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389053157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194526878 + 194526879.

It is an arithmetic number, because the mean of its divisors is an integer number (194526879).

Almost surely, 2^389053757 is an apocalyptic number.

It is an amenable number.

389053757 is a deficient number, since it is larger than the sum of its proper divisors (1).

389053757 is an equidigital number, since it uses as much as digits as its factorization.

389053757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 389053757 is about 19724.4456702844. The cubic root of 389053757 is about 730.0229910817.

The spelling of 389053757 in words is "three hundred eighty-nine million, fifty-three thousand, seven hundred fifty-seven".