389536992 has 192 divisors, whose sum is σ = 1241856000. Its totient is φ = 118070784.

The previous prime is 389536969. The next prime is 389537003. The reversal of 389536992 is 299635983.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a zygodrome in base 12.

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, 887109 + ... + 887547.

It is an arithmetic number, because the mean of its divisors is an integer number (6468000).

Almost surely, 2^389536992 is an apocalyptic number.

389536992 is a gapful number since it is divisible by the number (32) 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 389536992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620928000).

389536992 is an abundant number, since it is smaller than the sum of its proper divisors (852319008).

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

389536992 is a wasteful number, since it uses less digits than its factorization.

389536992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 536 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 389536992 is about 19736.6915160571. The cubic root of 389536992 is about 730.3251144580.

The spelling of 389536992 in words is "three hundred eighty-nine million, five hundred thirty-six thousand, nine hundred ninety-two".