389524712 has 8 divisors (see below), whose sum is σ = 730358850. Its totient is φ = 194762352.

The previous prime is 389524687. The next prime is 389524739. The reversal of 389524712 is 217425983.

It can be written as a sum of positive squares in only one way, i.e., 238578916 + 150945796 = 15446^2 + 12286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×389524712³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 389524712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24345287 + ... + 24345302.

Almost surely, 2^389524712 is an apocalyptic number.

It is an amenable number.

389524712 is a deficient number, since it is larger than the sum of its proper divisors (340834138).

389524712 is a wasteful number, since it uses less digits than its factorization.

389524712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48690595 (or 48690591 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 389524712 is about 19736.3804178983. The cubic root of 389524712 is about 730.3174399736.

The spelling of 389524712 in words is "three hundred eighty-nine million, five hundred twenty-four thousand, seven hundred twelve".