389376193920 has 256 divisors, whose sum is σ = 1445207546880. Its totient is φ = 87320862720.

The previous prime is 389376193849. The next prime is 389376193933. The reversal of 389376193920 is 29391673983.

It is a super-2 number, since 2×389376193920² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439005 + ... + 985635.

It is an arithmetic number, because the mean of its divisors is an integer number (5645341980).

Almost surely, 2^389376193920 is an apocalyptic number.

389376193920 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 389376193920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722603773440).

389376193920 is an abundant number, since it is smaller than the sum of its proper divisors (1055831352960).

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

389376193920 is a wasteful number, since it uses less digits than its factorization.

389376193920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546713 (or 546701 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 389376193920 in words is "three hundred eighty-nine billion, three hundred seventy-six million, one hundred ninety-three thousand, nine hundred twenty".