389922000 has 160 divisors (see below), whose sum is σ = 1354080000. Its totient is φ = 95961600.

The previous prime is 389921969. The next prime is 389922031. The reversal of 389922000 is 229983.

It is an interprime number because it is at equal distance from previous prime (389921969) and next prime (389922031).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75501 + ... + 80499.

It is an arithmetic number, because the mean of its divisors is an integer number (8463000).

Almost surely, 2^389922000 is an apocalyptic number.

389922000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389922000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677040000).

389922000 is an abundant number, since it is smaller than the sum of its proper divisors (964158000).

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

389922000 is a wasteful number, since it uses less digits than its factorization.

389922000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5022 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 389922000 is about 19746.4427176137. The cubic root of 389922000 is about 730.5656465349.

The spelling of 389922000 in words is "three hundred eighty-nine million, nine hundred twenty-two thousand".