389422080 has 264 divisors, whose sum is σ = 1403783472. Its totient is φ = 103514112.

The previous prime is 389422067. The next prime is 389422087. The reversal of 389422080 is 80224983.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389422087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1244004 + ... + 1244316.

Almost surely, 2^389422080 is an apocalyptic number.

389422080 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 389422080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701891736).

389422080 is an abundant number, since it is smaller than the sum of its proper divisors (1014361392).

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

389422080 is an equidigital number, since it uses as much as digits as its factorization.

389422080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 389422080 is about 19733.7801751210. The cubic root of 389422080 is about 730.2532929750.

The spelling of 389422080 in words is "three hundred eighty-nine million, four hundred twenty-two thousand, eighty".