889349680 has 40 divisors (see below), whose sum is σ = 2076889392. Its totient is φ = 354165504.

The previous prime is 889349647. The next prime is 889349761. The reversal of 889349680 is 86943988.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×889349680² = 1581885706632204800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6327 + ... + 42646.

Almost surely, 2^889349680 is an apocalyptic number.

889349680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

889349680 is an abundant number, since it is smaller than the sum of its proper divisors (1187539712).

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

889349680 is a wasteful number, since it uses less digits than its factorization.

889349680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49213 (or 49207 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 889349680 is about 29821.9664006249. The cubic root of 889349680 is about 961.6658287829.

The spelling of 889349680 in words is "eight hundred eighty-nine million, three hundred forty-nine thousand, six hundred eighty".