389132542 has 16 divisors (see below), whose sum is σ = 607072752. Its totient is φ = 186923520.

The previous prime is 389132531. The next prime is 389132551. The reversal of 389132542 is 245231983.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31843 + ... + 42334.

It is an arithmetic number, because the mean of its divisors is an integer number (37942047).

Almost surely, 2^389132542 is an apocalyptic number.

389132542 is a deficient number, since it is larger than the sum of its proper divisors (217940210).

389132542 is a wasteful number, since it uses less digits than its factorization.

389132542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74283.

The product of its digits is 51840, while the sum is 37.

The square root of 389132542 is about 19726.4427102303. The cubic root of 389132542 is about 730.0722653173.

The spelling of 389132542 in words is "three hundred eighty-nine million, one hundred thirty-two thousand, five hundred forty-two".