389875776 has 112 divisors (see below), whose sum is σ = 1061191680. Its totient is φ = 126282240.

The previous prime is 389875769. The next prime is 389875777. The reversal of 389875776 is 677578983.

It is not an unprimeable number, because it can be changed into a prime (389875777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438521 + ... + 1438791.

Almost surely, 2^389875776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389875776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530595840).

389875776 is an abundant number, since it is smaller than the sum of its proper divisors (671315904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389875776 is a wasteful number, since it uses less digits than its factorization.

389875776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 462 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 60.

The square root of 389875776 is about 19745.2722442614. The cubic root of 389875776 is about 730.5367766576.

The spelling of 389875776 in words is "three hundred eighty-nine million, eight hundred seventy-five thousand, seven hundred seventy-six".