389628360 has 128 divisors (see below), whose sum is σ = 1416873600. Its totient is φ = 94452480.

The previous prime is 389628359. The next prime is 389628361. The reversal of 389628360 is 63826983.

It is an interprime number because it is at equal distance from previous prime (389628359) and next prime (389628361).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (389628361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4519 + ... + 28278.

It is an arithmetic number, because the mean of its divisors is an integer number (11069325).

Almost surely, 2^389628360 is an apocalyptic number.

389628360 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 389628360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708436800).

389628360 is an abundant number, since it is smaller than the sum of its proper divisors (1027245240).

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

389628360 is a wasteful number, since it uses less digits than its factorization.

389628360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32828 (or 32818 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 389628360 is about 19739.0060540038. The cubic root of 389628360 is about 730.3822105575.

The spelling of 389628360 in words is "three hundred eighty-nine million, six hundred twenty-eight thousand, three hundred sixty".