389004016 has 20 divisors (see below), whose sum is σ = 754819992. Its totient is φ = 194211776.

The previous prime is 389004001. The next prime is 389004029. The reversal of 389004016 is 610400983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6871 + ... + 28726.

Almost surely, 2^389004016 is an apocalyptic number.

It is an amenable number.

389004016 is a deficient number, since it is larger than the sum of its proper divisors (365815976).

389004016 is a wasteful number, since it uses less digits than its factorization.

389004016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36288 (or 36282 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 389004016 is about 19723.1847326947. The cubic root of 389004016 is about 729.9918783108.

Adding to 389004016 its reverse (610400983), we get a palindrome (999404999).

The spelling of 389004016 in words is "three hundred eighty-nine million, four thousand, sixteen".