389578080 has 96 divisors (see below), whose sum is σ = 1236211200. Its totient is φ = 103122432.

The previous prime is 389578061. The next prime is 389578087. The reversal of 389578080 is 80875983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389578087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63801 + ... + 69639.

It is an arithmetic number, because the mean of its divisors is an integer number (12877200).

Almost surely, 2^389578080 is an apocalyptic number.

389578080 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 389578080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618105600).

389578080 is an abundant number, since it is smaller than the sum of its proper divisors (846633120).

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

389578080 is a wasteful number, since it uses less digits than its factorization.

389578080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996 (or 5988 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 389578080 is about 19737.7323925521. The cubic root of 389578080 is about 730.3507915600.

The spelling of 389578080 in words is "three hundred eighty-nine million, five hundred seventy-eight thousand, eighty".