889663824 has 240 divisors, whose sum is σ = 2990169728. Its totient is φ = 250822656.

The previous prime is 889663811. The next prime is 889663843. The reversal of 889663824 is 428366988.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2639784 + ... + 2640120.

Almost surely, 2^889663824 is an apocalyptic number.

889663824 is a gapful number since it is divisible by the number (84) 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 889663824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495084864).

889663824 is an abundant number, since it is smaller than the sum of its proper divisors (2100505904).

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

889663824 is a wasteful number, since it uses less digits than its factorization.

889663824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 446 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 889663824 is about 29827.2329256336. The cubic root of 889663824 is about 961.7790448379.

The spelling of 889663824 in words is "eight hundred eighty-nine million, six hundred sixty-three thousand, eight hundred twenty-four".