389526992 has 20 divisors (see below), whose sum is σ = 755874240. Its totient is φ = 194462688.

The previous prime is 389526983. The next prime is 389527007. The reversal of 389526992 is 299625983.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 7928 + ... + 29015.

It is an arithmetic number, because the mean of its divisors is an integer number (37793712).

Almost surely, 2^389526992 is an apocalyptic number.

It is an amenable number.

389526992 is a deficient number, since it is larger than the sum of its proper divisors (366347248).

389526992 is a wasteful number, since it uses less digits than its factorization.

389526992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37610 (or 37604 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 389526992 is about 19736.4381791650. The cubic root of 389526992 is about 730.3188648901.

The spelling of 389526992 in words is "three hundred eighty-nine million, five hundred twenty-six thousand, nine hundred ninety-two".