389537676 has 72 divisors (see below), whose sum is σ = 1076506704. Its totient is φ = 117786240.

The previous prime is 389537671. The next prime is 389537747. The reversal of 389537676 is 676735983.

389537676 is a `hidden beast` number, since 38 + 9 + 537 + 6 + 76 = 666.

It is not an unprimeable number, because it can be changed into a prime (389537671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267366 + ... + 268818.

It is an arithmetic number, because the mean of its divisors is an integer number (14951482).

Almost surely, 2^389537676 is an apocalyptic number.

389537676 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389537676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538253352).

389537676 is an abundant number, since it is smaller than the sum of its proper divisors (686969028).

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

389537676 is a wasteful number, since it uses less digits than its factorization.

389537676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2146 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 389537676 is about 19736.7088441817. The cubic root of 389537676 is about 730.3255419245.

The spelling of 389537676 in words is "three hundred eighty-nine million, five hundred thirty-seven thousand, six hundred seventy-six".