389732000 has 192 divisors, whose sum is σ = 1132185600. Its totient is φ = 129024000.

The previous prime is 389731997. The next prime is 389732003. The reversal of 389732000 is 237983.

It is an interprime number because it is at equal distance from previous prime (389731997) and next prime (389732003).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (389732003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867776 + ... + 868224.

It is an arithmetic number, because the mean of its divisors is an integer number (5896800).

Almost surely, 2^389732000 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 389732000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566092800).

389732000 is an abundant number, since it is smaller than the sum of its proper divisors (742453600).

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

389732000 is a wasteful number, since it uses less digits than its factorization.

389732000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 389732000 is about 19741.6311382824. The cubic root of 389732000 is about 730.4469646577.

Adding to 389732000 its reverse (237983), we get a palindrome (389969983).

The spelling of 389732000 in words is "three hundred eighty-nine million, seven hundred thirty-two thousand".