389788953804 has 36 divisors (see below), whose sum is σ = 985389481440. Its totient is φ = 129917832480.

The previous prime is 389788953787. The next prime is 389788953809. The reversal of 389788953804 is 408359887983.

389788953804 is a `hidden beast` number, since 3 + 8 + 9 + 7 + 8 + 89 + 538 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (389788953809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86607 + ... + 887174.

It is an arithmetic number, because the mean of its divisors is an integer number (27371930040).

Almost surely, 2^389788953804 is an apocalyptic number.

It is an amenable number.

389788953804 is an abundant number, since it is smaller than the sum of its proper divisors (595600527636).

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

389788953804 is a wasteful number, since it uses less digits than its factorization.

389788953804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984910 (or 984905 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 72.

The spelling of 389788953804 in words is "three hundred eighty-nine billion, seven hundred eighty-eight million, nine hundred fifty-three thousand, eight hundred four".