889734720 has 224 divisors, whose sum is σ = 3333390336. Its totient is φ = 196761600.

The previous prime is 889734709. The next prime is 889734743. The reversal of 889734720 is 27437988.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 889734720.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206185 + ... + 210455.

Almost surely, 2^889734720 is an apocalyptic number.

889734720 is a gapful number since it is divisible by the number (80) 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 889734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666695168).

889734720 is an abundant number, since it is smaller than the sum of its proper divisors (2443655616).

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

889734720 is a wasteful number, since it uses less digits than its factorization.

889734720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329 (or 4319 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 889734720 is about 29828.4213460921. The cubic root of 889734720 is about 961.8045917445.

The spelling of 889734720 in words is "eight hundred eighty-nine million, seven hundred thirty-four thousand, seven hundred twenty".