889684764 has 24 divisors (see below), whose sum is σ = 2076444048. Its totient is φ = 296488320.

The previous prime is 889684753. The next prime is 889684787. The reversal of 889684764 is 467486988.

It is a junction number, because it is equal to n+sod(n) for n = 889684698 and 889684707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66304 + ... + 78584.

It is an arithmetic number, because the mean of its divisors is an integer number (86518502).

Almost surely, 2^889684764 is an apocalyptic number.

It is an amenable number.

889684764 is an abundant number, since it is smaller than the sum of its proper divisors (1186759284).

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

889684764 is a wasteful number, since it uses less digits than its factorization.

889684764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18325 (or 18323 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 60.

The square root of 889684764 is about 29827.5839450667. The cubic root of 889684764 is about 961.7865905702.

The spelling of 889684764 in words is "eight hundred eighty-nine million, six hundred eighty-four thousand, seven hundred sixty-four".