389023743 has 16 divisors (see below), whose sum is σ = 538444800. Its totient is φ = 249570240.

The previous prime is 389023741. The next prime is 389023751. The reversal of 389023743 is 347320983.

It is not a de Polignac number, because 389023743 - 2¹ = 389023741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389023741) 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 in 15 ways as a sum of consecutive naturals, for example, 4963 + ... + 28331.

It is an arithmetic number, because the mean of its divisors is an integer number (33652800).

Almost surely, 2^389023743 is an apocalyptic number.

389023743 is a deficient number, since it is larger than the sum of its proper divisors (149421057).

389023743 is a wasteful number, since it uses less digits than its factorization.

389023743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23582.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 389023743 is about 19723.6848230750. The cubic root of 389023743 is about 730.0042177776.

The spelling of 389023743 in words is "three hundred eighty-nine million, twenty-three thousand, seven hundred forty-three".