894565728 has 192 divisors, whose sum is σ = 3000291840. Its totient is φ = 254016000.

The previous prime is 894565723. The next prime is 894565739. The reversal of 894565728 is 827565498.

894565728 is a `hidden beast` number, since 8 + 9 + 4 + 565 + 72 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894565723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275778 + ... + 1276478.

It is an arithmetic number, because the mean of its divisors is an integer number (15626520).

Almost surely, 2^894565728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 894565728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500145920).

894565728 is an abundant number, since it is smaller than the sum of its proper divisors (2105726112).

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

894565728 is a wasteful number, since it uses less digits than its factorization.

894565728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 924 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 894565728 is about 29909.2916666376. The cubic root of 894565728 is about 963.5422262507.

The spelling of 894565728 in words is "eight hundred ninety-four million, five hundred sixty-five thousand, seven hundred twenty-eight".