389050706 has 16 divisors (see below), whose sum is σ = 639491328. Its totient is φ = 176046000.

The previous prime is 389050699. The next prime is 389050723. The reversal of 389050706 is 607050983.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 389050706.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34745 + ... + 44556.

It is an arithmetic number, because the mean of its divisors is an integer number (39968208).

Almost surely, 2^389050706 is an apocalyptic number.

389050706 is a deficient number, since it is larger than the sum of its proper divisors (250440622).

389050706 is a wasteful number, since it uses less digits than its factorization.

389050706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79537.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 389050706 is about 19724.3683295562. The cubic root of 389050706 is about 730.0210827714.

The spelling of 389050706 in words is "three hundred eighty-nine million, fifty thousand, seven hundred six".