389028753 has 12 divisors (see below), whose sum is σ = 569629060. Its totient is φ = 255799296.

The previous prime is 389028737. The next prime is 389028779. The reversal of 389028753 is 357820983.

It can be written as a sum of positive squares in 2 ways, for example, as 139641489 + 249387264 = 11817^2 + 15792^2 .

It is not a de Polignac number, because 389028753 - 2⁴ = 389028737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 389028699 and 389028708.

It is not an unprimeable number, because it can be changed into a prime (389028793) 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 in 11 ways as a sum of consecutive naturals, for example, 295408 + ... + 296721.

Almost surely, 2^389028753 is an apocalyptic number.

It is an amenable number.

389028753 is a deficient number, since it is larger than the sum of its proper divisors (180600307).

389028753 is a wasteful number, since it uses less digits than its factorization.

389028753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592208 (or 592205 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 389028753 is about 19723.8118273320. The cubic root of 389028753 is about 730.0073515241.

The spelling of 389028753 in words is "three hundred eighty-nine million, twenty-eight thousand, seven hundred fifty-three".