389524704 has 48 divisors (see below), whose sum is σ = 1029893760. Its totient is φ = 128903040.

The previous prime is 389524687. The next prime is 389524739. The reversal of 389524704 is 407425983.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252 + ... + 27939.

It is an arithmetic number, because the mean of its divisors is an integer number (21456120).

Almost surely, 2^389524704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389524704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514946880).

389524704 is an abundant number, since it is smaller than the sum of its proper divisors (640369056).

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

389524704 is a wasteful number, since it uses less digits than its factorization.

389524704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29343 (or 29335 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 389524704 is about 19736.3802152269. The cubic root of 389524704 is about 730.3174349739.

The spelling of 389524704 in words is "three hundred eighty-nine million, five hundred twenty-four thousand, seven hundred four".