889609688 has 32 divisors (see below), whose sum is σ = 1820871360. Its totient is φ = 404098080.

The previous prime is 889609681. The next prime is 889609741. The reversal of 889609688 is 886906988.

It is a happy number.

889609688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

889609688 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 889609688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889609681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195131 + ... + 199637.

It is an arithmetic number, because the mean of its divisors is an integer number (56902230).

Almost surely, 2^889609688 is an apocalyptic number.

889609688 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

889609688 is an abundant number, since it is smaller than the sum of its proper divisors (931261672).

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

889609688 is a wasteful number, since it uses less digits than its factorization.

889609688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767 (or 6763 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 62.

The square root of 889609688 is about 29826.3254189986. The cubic root of 889609688 is about 961.7595363730.

The spelling of 889609688 in words is "eight hundred eighty-nine million, six hundred nine thousand, six hundred eighty-eight".