389985024 has 288 divisors, whose sum is σ = 1260935424. Its totient is φ = 105431040.

The previous prime is 389984993. The next prime is 389985047. The reversal of 389985024 is 420589983.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5820639 + ... + 5820705.

It is an arithmetic number, because the mean of its divisors is an integer number (4378248).

Almost surely, 2^389985024 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 389985024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630467712).

389985024 is an abundant number, since it is smaller than the sum of its proper divisors (870950400).

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

389985024 is a wasteful number, since it uses less digits than its factorization.

389985024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 389985024 is about 19748.0384848724. The cubic root of 389985024 is about 730.6050054228.

The spelling of 389985024 in words is "three hundred eighty-nine million, nine hundred eighty-five thousand, twenty-four".