894128004 has 192 divisors, whose sum is σ = 2928844800. Its totient is φ = 229132800.

The previous prime is 894128003. The next prime is 894128021. The reversal of 894128004 is 400821498.

894128004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 894128004.

It is not an unprimeable number, because it can be changed into a prime (894128003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 656284 + ... + 657644.

It is an arithmetic number, because the mean of its divisors is an integer number (15254400).

Almost surely, 2^894128004 is an apocalyptic number.

894128004 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 894128004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464422400).

894128004 is an abundant number, since it is smaller than the sum of its proper divisors (2034716796).

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

894128004 is a wasteful number, since it uses less digits than its factorization.

894128004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 894128004 is about 29901.9732459248. The cubic root of 894128004 is about 963.3850422097.

The spelling of 894128004 in words is "eight hundred ninety-four million, one hundred twenty-eight thousand, four".