389547723384 has 24 divisors (see below), whose sum is σ = 1055025084360. Its totient is φ = 129849241104.

The previous prime is 389547723379. The next prime is 389547723407. The reversal of 389547723384 is 483327745983.

389547723384 is a `hidden beast` number, since 3 + 8 + 9 + 547 + 7 + 2 + 3 + 3 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×389547723384² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2705192452 + ... + 2705192595.

It is an arithmetic number, because the mean of its divisors is an integer number (43959378515).

Almost surely, 2^389547723384 is an apocalyptic number.

It is an amenable number.

389547723384 is an abundant number, since it is smaller than the sum of its proper divisors (665477360976).

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

389547723384 is a wasteful number, since it uses less digits than its factorization.

389547723384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410385059 (or 5410385052 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 63.

The spelling of 389547723384 in words is "three hundred eighty-nine billion, five hundred forty-seven million, seven hundred twenty-three thousand, three hundred eighty-four".