389854939 has 8 divisors (see below), whose sum is σ = 411464000. Its totient is φ = 368354952.

The previous prime is 389854921. The next prime is 389854943. The reversal of 389854939 is 939458983.

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

It is a cyclic number.

It is not a de Polignac number, because 389854939 - 2⁹ = 389854427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389854979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19869 + ... + 34270.

It is an arithmetic number, because the mean of its divisors is an integer number (51433000).

Almost surely, 2^389854939 is an apocalyptic number.

389854939 is a deficient number, since it is larger than the sum of its proper divisors (21609061).

389854939 is a wasteful number, since it uses less digits than its factorization.

389854939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54537.

The product of its digits is 8398080, while the sum is 58.

The square root of 389854939 is about 19744.7445919161. The cubic root of 389854939 is about 730.5237618573.

The spelling of 389854939 in words is "three hundred eighty-nine million, eight hundred fifty-four thousand, nine hundred thirty-nine".