389674042 has 8 divisors (see below), whose sum is σ = 585397332. Its totient is φ = 194541600.

The previous prime is 389674031. The next prime is 389674049. The reversal of 389674042 is 240476983.

It can be written as a sum of positive squares in 2 ways, for example, as 386948241 + 2725801 = 19671^2 + 1651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 389674042.

It is not an unprimeable number, because it can be changed into a prime (389674049) 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 3 ways as a sum of consecutive naturals, for example, 146059 + ... + 148702.

Almost surely, 2^389674042 is an apocalyptic number.

389674042 is a deficient number, since it is larger than the sum of its proper divisors (195723290).

389674042 is a wasteful number, since it uses less digits than its factorization.

389674042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295424.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 389674042 is about 19740.1631705516. The cubic root of 389674042 is about 730.4107540104.

The spelling of 389674042 in words is "three hundred eighty-nine million, six hundred seventy-four thousand, forty-two".